22438212 has 24 divisors (see below), whose sum is σ = 53020800. Its totient is φ = 7384416.

The previous prime is 22438177. The next prime is 22438219. The reversal of 22438212 is 21283422.

It is not an unprimeable number, because it can be changed into a prime (22438219) 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, 10887 + ... + 12782.

It is an arithmetic number, because the mean of its divisors is an integer number (2209200).

Almost surely, 2^22438212 is an apocalyptic number.

It is an amenable number.

22438212 is an abundant number, since it is smaller than the sum of its proper divisors (30582588).

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

22438212 is a wasteful number, since it uses less digits than its factorization.

22438212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23755 (or 23753 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 22438212 is about 4736.8989856234. The cubic root of 22438212 is about 282.0521507092.

The spelling of 22438212 in words is "twenty-two million, four hundred thirty-eight thousand, two hundred twelve".