22625866 has 8 divisors (see below), whose sum is σ = 33976800. Its totient is φ = 11300268.

The previous prime is 22625857. The next prime is 22625873. The reversal of 22625866 is 66852622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3916 + ... + 7783.

It is an arithmetic number, because the mean of its divisors is an integer number (4247100).

Almost surely, 2^22625866 is an apocalyptic number.

22625866 is a deficient number, since it is larger than the sum of its proper divisors (11350934).

22625866 is a wasteful number, since it uses less digits than its factorization.

22625866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668.

The product of its digits is 69120, while the sum is 37.

The square root of 22625866 is about 4756.6654286380. The cubic root of 22625866 is about 282.8362498354.

It can be divided in two parts, 2262 and 5866, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 22625866 in words is "twenty-two million, six hundred twenty-five thousand, eight hundred sixty-six".