22801438 has 16 divisors (see below), whose sum is σ = 38180736. Its totient is φ = 10122840.

The previous prime is 22801433. The next prime is 22801447. The reversal of 22801438 is 83410822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22801433) 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, 11106 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (2386296).

Almost surely, 2^22801438 is an apocalyptic number.

22801438 is a deficient number, since it is larger than the sum of its proper divisors (15379298).

22801438 is a wasteful number, since it uses less digits than its factorization.

22801438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24159.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 22801438 is about 4775.0851301312. The cubic root of 22801438 is about 283.5659490709.

The spelling of 22801438 in words is "twenty-two million, eight hundred one thousand, four hundred thirty-eight".