22875438 has 32 divisors (see below), whose sum is σ = 48825504. Its totient is φ = 7119872.

The previous prime is 22875431. The next prime is 22875451. The reversal of 22875438 is 83457822.

It is a junction number, because it is equal to n+sod(n) for n = 22875396 and 22875405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22875431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13156 + ... + 14792.

It is an arithmetic number, because the mean of its divisors is an integer number (1525797).

Almost surely, 2^22875438 is an apocalyptic number.

22875438 is an abundant number, since it is smaller than the sum of its proper divisors (25950066).

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

22875438 is a wasteful number, since it uses less digits than its factorization.

22875438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its digits is 107520, while the sum is 39.

The square root of 22875438 is about 4782.8274064616. The cubic root of 22875438 is about 283.8723803385.

The spelling of 22875438 in words is "twenty-two million, eight hundred seventy-five thousand, four hundred thirty-eight".