22720796 has 12 divisors (see below), whose sum is σ = 45441648. Its totient is φ = 9737472.

The previous prime is 22720793. The next prime is 22720807. The reversal of 22720796 is 69702722.

22720796 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22720793) 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, 405701 + ... + 405756.

It is an arithmetic number, because the mean of its divisors is an integer number (3786804).

Almost surely, 2^22720796 is an apocalyptic number.

It is an amenable number.

22720796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22720796 is a wasteful number, since it uses less digits than its factorization.

22720796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811468 (or 811466 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 22720796 is about 4766.6336129390. The cubic root of 22720796 is about 283.2312576551.

The spelling of 22720796 in words is "twenty-two million, seven hundred twenty thousand, seven hundred ninety-six".