22500916 has 12 divisors (see below), whose sum is σ = 40647040. Its totient is φ = 10887480.

The previous prime is 22500913. The next prime is 22500917. The reversal of 22500916 is 61900522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22500913) 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 in 3 ways as a sum of consecutive naturals, for example, 90606 + ... + 90853.

Almost surely, 2^22500916 is an apocalyptic number.

It is an amenable number.

22500916 is a deficient number, since it is larger than the sum of its proper divisors (18146124).

22500916 is a wasteful number, since it uses less digits than its factorization.

22500916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181494 (or 181492 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 22500916 is about 4743.5130441478. The cubic root of 22500916 is about 282.3146396746.

The spelling of 22500916 in words is "twenty-two million, five hundred thousand, nine hundred sixteen".