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122233430 = 25111111213
BaseRepresentation
bin1110100100100…
…10001001010110
322112000002202002
413102102021112
5222242432210
620043515302
73012652454
oct722221126
9275002662
10122233430
1162aa7870
1234b28b32
131c429697
141233b9d4
15aae74a5
hex7492256

122233430 has 16 divisors (see below), whose sum is σ = 240022224. Its totient is φ = 44448480.

The previous prime is 122233429. The next prime is 122233439. The reversal of 122233430 is 34332221.

It is a super-2 number, since 2×1222334302 = 29882022819129800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122233439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555497 + ... + 555716.

It is an arithmetic number, because the mean of its divisors is an integer number (15001389).

Almost surely, 2122233430 is an apocalyptic number.

122233430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122233430 is a deficient number, since it is larger than the sum of its proper divisors (117788794).

122233430 is a wasteful number, since it uses less digits than its factorization.

122233430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111231.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 122233430 is about 11055.9228470535. The cubic root of 122233430 is about 496.2836864620.

Adding to 122233430 its reverse (34332221), we get a palindrome (156565651).

The spelling of 122233430 in words is "one hundred twenty-two million, two hundred thirty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1111213 2222426 5556065 11112130 12223343 24446686 61116715 122233430