122402331 has 6 divisors (see below), whose sum is σ = 176803380. Its totient is φ = 81601548.

The previous prime is 122402303. The next prime is 122402347. The reversal of 122402331 is 133204221.

It is not a de Polignac number, because 122402331 - 2¹⁵ = 122369563 is a prime.

It is a super-2 number, since 2×122402331² = 29964661268467122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122400331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6800121 + ... + 6800138.

It is an arithmetic number, because the mean of its divisors is an integer number (29467230).

Almost surely, 2^122402331 is an apocalyptic number.

122402331 is a deficient number, since it is larger than the sum of its proper divisors (54401049).

122402331 is a wasteful number, since it uses less digits than its factorization.

122402331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13600265 (or 13600262 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 122402331 is about 11063.5586951035. The cubic root of 122402331 is about 496.5121679612.

Adding to 122402331 its reverse (133204221), we get a palindrome (255606552).

The spelling of 122402331 in words is "one hundred twenty-two million, four hundred two thousand, three hundred thirty-one".