22481916 has 24 divisors (see below), whose sum is σ = 53319504. Its totient is φ = 7370880.

The previous prime is 22481909. The next prime is 22481923. The reversal of 22481916 is 61918422.

It is an interprime number because it is at equal distance from previous prime (22481909) and next prime (22481923).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14625 + ... + 16088.

It is an arithmetic number, because the mean of its divisors is an integer number (2221646).

Almost surely, 2^22481916 is an apocalyptic number.

It is an amenable number.

22481916 is an abundant number, since it is smaller than the sum of its proper divisors (30837588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22481916 is a wasteful number, since it uses less digits than its factorization.

22481916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30781 (or 30779 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 22481916 is about 4741.5098861017. The cubic root of 22481916 is about 282.2351541896.

The spelling of 22481916 in words is "twenty-two million, four hundred eighty-one thousand, nine hundred sixteen".