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122330231 = 716472663
BaseRepresentation
bin1110100101010…
…01110001110111
322112012000112022
413102221301313
5222304031411
620045543355
73013534622
oct722516167
9275160468
10122330231
1163063571
1234b74b5b
131c46176a
1412364db9
15ab15edb
hex74a9c77

122330231 has 8 divisors (see below), whose sum is σ = 124291584. Its totient is φ = 120375640.

The previous prime is 122330191. The next prime is 122330239. The reversal of 122330231 is 132033221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122330231 - 26 = 122330167 is a prime.

It is a super-2 number, since 2×1223302312 = 29929370833026722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122330239) 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, 44606 + ... + 47268.

It is an arithmetic number, because the mean of its divisors is an integer number (15536448).

Almost surely, 2122330231 is an apocalyptic number.

122330231 is a deficient number, since it is larger than the sum of its proper divisors (1961353).

122330231 is an equidigital number, since it uses as much as digits as its factorization.

122330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 122330231 is about 11060.2997698977. The cubic root of 122330231 is about 496.4146601271.

Adding to 122330231 its reverse (132033221), we get a palindrome (254363452).

The spelling of 122330231 in words is "one hundred twenty-two million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 71 647 2663 45937 189073 1722961 122330231