22545916 has 12 divisors (see below), whose sum is σ = 39506488. Its totient is φ = 11258352.

The previous prime is 22545907. The next prime is 22545923. The reversal of 22545916 is 61954522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295 + ... + 6721.

Almost surely, 2^22545916 is an apocalyptic number.

It is an amenable number.

22545916 is a deficient number, since it is larger than the sum of its proper divisors (16960572).

22545916 is a wasteful number, since it uses less digits than its factorization.

22545916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308 (or 7306 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 22545916 is about 4748.2539948912. The cubic root of 22545916 is about 282.5027164487.

The spelling of 22545916 in words is "twenty-two million, five hundred forty-five thousand, nine hundred sixteen".