22720696 has 8 divisors (see below), whose sum is σ = 42601320. Its totient is φ = 11360344.

The previous prime is 22720679. The next prime is 22720741. The reversal of 22720696 is 69602722.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420036 + ... + 1420051.

It is an arithmetic number, because the mean of its divisors is an integer number (5325165).

Almost surely, 2^22720696 is an apocalyptic number.

It is an amenable number.

22720696 is a deficient number, since it is larger than the sum of its proper divisors (19880624).

22720696 is a wasteful number, since it uses less digits than its factorization.

22720696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840093 (or 2840089 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 22720696 is about 4766.6231233442. The cubic root of 22720696 is about 283.2308421303.

The spelling of 22720696 in words is "twenty-two million, seven hundred twenty thousand, six hundred ninety-six".