23422012 has 12 divisors (see below), whose sum is σ = 41138440. Its totient is φ = 11668176.

The previous prime is 23421989. The next prime is 23422013. The reversal of 23422012 is 21022432.

It is a super-2 number, since 2×23422012² = 1097181292256288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9462 + ... + 11677.

Almost surely, 2^23422012 is an apocalyptic number.

It is an amenable number.

23422012 is a deficient number, since it is larger than the sum of its proper divisors (17716428).

23422012 is a wasteful number, since it uses less digits than its factorization.

23422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21420 (or 21418 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23422012 is about 4839.6293246487. The cubic root of 23422012 is about 286.1155091150.

Adding to 23422012 its reverse (21022432), we get a palindrome (44444444).

The spelling of 23422012 in words is "twenty-three million, four hundred twenty-two thousand, twelve".