22613072 has 20 divisors (see below), whose sum is σ = 43943616. Its totient is φ = 11272800.

The previous prime is 22613057. The next prime is 22613119. The reversal of 22613072 is 27031622.

It is a super-2 number, since 2×22613072² = 1022702050554368, 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 3 ways as a sum of consecutive naturals, for example, 3947 + ... + 7797.

Almost surely, 2^22613072 is an apocalyptic number.

It is an amenable number.

22613072 is a deficient number, since it is larger than the sum of its proper divisors (21330544).

22613072 is a wasteful number, since it uses less digits than its factorization.

22613072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 22613072 is about 4755.3203887856. The cubic root of 22613072 is about 282.7829290144.

Adding to 22613072 its reverse (27031622), we get a palindrome (49644694).

The spelling of 22613072 in words is "twenty-two million, six hundred thirteen thousand, seventy-two".