22613012 has 24 divisors (see below), whose sum is σ = 41809152. Its totient is φ = 10684800.

The previous prime is 22612999. The next prime is 22613023. The reversal of 22613012 is 21031622.

It is a super-2 number, since 2×22613012² = 1022696623424288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212 + ... + 7452.

It is an arithmetic number, because the mean of its divisors is an integer number (1742048).

Almost surely, 2^22613012 is an apocalyptic number.

It is an amenable number.

22613012 is a deficient number, since it is larger than the sum of its proper divisors (19196140).

22613012 is a wasteful number, since it uses less digits than its factorization.

22613012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 22613012 is about 4755.3140800582. The cubic root of 22613012 is about 282.7826789085.

Adding to 22613012 its reverse (21031622), we get a palindrome (43644634).

The spelling of 22613012 in words is "twenty-two million, six hundred thirteen thousand, twelve".