22516672 has 28 divisors (see below), whose sum is σ = 47035720. Its totient is φ = 10665216.

The previous prime is 22516661. The next prime is 22516693. The reversal of 22516672 is 27661522.

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, 8043 + ... + 10474.

Almost surely, 2^22516672 is an apocalyptic number.

It is an amenable number.

22516672 is an abundant number, since it is smaller than the sum of its proper divisors (24519048).

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

22516672 is a wasteful number, since it uses less digits than its factorization.

22516672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18548 (or 18538 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 22516672 is about 4745.1735479327. The cubic root of 22516672 is about 282.3805201275.

The spelling of 22516672 in words is "twenty-two million, five hundred sixteen thousand, six hundred seventy-two".