22906504 has 8 divisors (see below), whose sum is σ = 42949710. Its totient is φ = 11453248.

The previous prime is 22906493. The next prime is 22906519. The reversal of 22906504 is 40560922.

It can be written as a sum of positive squares in only one way, i.e., 20340100 + 2566404 = 4510^2 + 1602^2 .

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431649 + ... + 1431664.

Almost surely, 2^22906504 is an apocalyptic number.

It is an amenable number.

22906504 is a deficient number, since it is larger than the sum of its proper divisors (20043206).

22906504 is a wasteful number, since it uses less digits than its factorization.

22906504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863319 (or 2863315 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 22906504 is about 4786.0739651618. The cubic root of 22906504 is about 284.0008265532. Note that the first 3 decimals are identical.

The spelling of 22906504 in words is "twenty-two million, nine hundred six thousand, five hundred four".