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122216832 = 2732277383
BaseRepresentation
bin1110100100011…
…10000110000000
322111222020222100
413102032012000
5222241414312
620043310400
73012553203
oct722160600
9274866870
10122216832
1162a96351
1234b1b400
131c421c6a
141233593a
15aae25dc
hex748e180

122216832 has 96 divisors (see below), whose sum is σ = 353882880. Its totient is φ = 40485888.

The previous prime is 122216827. The next prime is 122216839. The reversal of 122216832 is 238612221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122216796 and 122216805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122216839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318913 + ... + 319295.

It is an arithmetic number, because the mean of its divisors is an integer number (3686280).

Almost surely, 2122216832 is an apocalyptic number.

122216832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122216832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176941440).

122216832 is an abundant number, since it is smaller than the sum of its proper divisors (231666048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122216832 is a wasteful number, since it uses less digits than its factorization.

122216832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 665 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 122216832 is about 11055.1721831910. The cubic root of 122216832 is about 496.2612220960.

The spelling of 122216832 in words is "one hundred twenty-two million, two hundred sixteen thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 277 288 383 384 554 576 766 831 1108 1149 1152 1532 1662 2216 2298 2493 3064 3324 3447 4432 4596 4986 6128 6648 6894 8864 9192 9972 12256 13296 13788 17728 18384 19944 24512 26592 27576 35456 36768 39888 49024 53184 55152 73536 79776 106091 106368 110304 147072 159552 212182 220608 318273 319104 424364 441216 636546 848728 954819 1273092 1697456 1909638 2546184 3394912 3819276 5092368 6789824 7638552 10184736 13579648 15277104 20369472 30554208 40738944 61108416 122216832