22238016 has 28 divisors (see below), whose sum is σ = 58838592. Its totient is φ = 7412608.

The previous prime is 22238011. The next prime is 22238053. The reversal of 22238016 is 61083222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22238011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57720 + ... + 58103.

Almost surely, 2^22238016 is an apocalyptic number.

It is an amenable number.

22238016 is an abundant number, since it is smaller than the sum of its proper divisors (36600576).

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

22238016 is a wasteful number, since it uses less digits than its factorization.

22238016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115838 (or 115828 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22238016 is about 4715.7200934746. The cubic root of 22238016 is about 281.2108109348.

The spelling of 22238016 in words is "twenty-two million, two hundred thirty-eight thousand, sixteen".