22438902 has 16 divisors (see below), whose sum is σ = 45176832. Its totient is φ = 7429800.

The previous prime is 22438901. The next prime is 22438907. The reversal of 22438902 is 20983422.

It is a self number, because there is not a number n which added to its sum of digits gives 22438902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22438901) 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, 11478 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (2823552).

Almost surely, 2^22438902 is an apocalyptic number.

22438902 is an abundant number, since it is smaller than the sum of its proper divisors (22737930).

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

22438902 is a wasteful number, since it uses less digits than its factorization.

22438902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24923.

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

The square root of 22438902 is about 4736.9718175222. The cubic root of 22438902 is about 282.0550418188.

The spelling of 22438902 in words is "twenty-two million, four hundred thirty-eight thousand, nine hundred two".