22038372 has 24 divisors (see below), whose sum is σ = 57136800. Its totient is φ = 7346088.

The previous prime is 22038371. The next prime is 22038389. The reversal of 22038372 is 27383022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22038371) 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, 101922 + ... + 102137.

It is an arithmetic number, because the mean of its divisors is an integer number (2380700).

Almost surely, 2^22038372 is an apocalyptic number.

It is an amenable number.

22038372 is an abundant number, since it is smaller than the sum of its proper divisors (35098428).

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

22038372 is a wasteful number, since it uses less digits than its factorization.

22038372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204072 (or 204064 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 22038372 is about 4694.5044466908. The cubic root of 22038372 is about 280.3667473115.

The spelling of 22038372 in words is "twenty-two million, thirty-eight thousand, three hundred seventy-two".