22238616 has 32 divisors (see below), whose sum is σ = 56113200. Its totient is φ = 7344000.

The previous prime is 22238609. The next prime is 22238617. The reversal of 22238616 is 61683222.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22238617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635 + ... + 6866.

Almost surely, 2^22238616 is an apocalyptic number.

It is an amenable number.

22238616 is an abundant number, since it is smaller than the sum of its proper divisors (33874584).

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

22238616 is a wasteful number, since it uses less digits than its factorization.

22238616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619 (or 8615 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 22238616 is about 4715.7837100529. The cubic root of 22238616 is about 281.2133400118.

The spelling of 22238616 in words is "twenty-two million, two hundred thirty-eight thousand, six hundred sixteen".