22920272 has 10 divisors (see below), whose sum is σ = 44408058. Its totient is φ = 11460128.

The previous prime is 22920217. The next prime is 22920277. The reversal of 22920272 is 27202922.

It can be written as a sum of positive squares in only one way, i.e., 22505536 + 414736 = 4744^2 + 644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22920277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716243 + ... + 716274.

Almost surely, 2^22920272 is an apocalyptic number.

It is an amenable number.

22920272 is a deficient number, since it is larger than the sum of its proper divisors (21487786).

22920272 is a wasteful number, since it uses less digits than its factorization.

22920272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432525 (or 1432519 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22920272 is about 4787.5120887576. The cubic root of 22920272 is about 284.0577149118.

The spelling of 22920272 in words is "twenty-two million, nine hundred twenty thousand, two hundred seventy-two".