22875431 has 2 divisors, whose sum is σ = 22875432. Its totient is φ = 22875430.

The previous prime is 22875401. The next prime is 22875451. The reversal of 22875431 is 13457822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22875431 - 2¹⁰ = 22874407 is a prime.

It is a super-3 number, since 3×22875431³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22875401) 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 as a sum of consecutive naturals, namely, 11437715 + 11437716.

It is an arithmetic number, because the mean of its divisors is an integer number (11437716).

Almost surely, 2^22875431 is an apocalyptic number.

22875431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22875431 is an equidigital number, since it uses as much as digits as its factorization.

22875431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 22875431 is about 4782.8266746768. The cubic root of 22875431 is about 283.8723513830.

The spelling of 22875431 in words is "twenty-two million, eight hundred seventy-five thousand, four hundred thirty-one".