22875571 has 2 divisors, whose sum is σ = 22875572. Its totient is φ = 22875570.

The previous prime is 22875533. The next prime is 22875599. The reversal of 22875571 is 17557822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22875571 - 2⁹ = 22875059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22875571.

It is not a weakly prime, because it can be changed into another prime (22875071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11437785 + 11437786.

It is an arithmetic number, because the mean of its divisors is an integer number (11437786).

Almost surely, 2^22875571 is an apocalyptic number.

22875571 is a deficient number, since it is larger than the sum of its proper divisors (1).

22875571 is an equidigital number, since it uses as much as digits as its factorization.

22875571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 37.

The square root of 22875571 is about 4782.8413103510. The cubic root of 22875571 is about 283.8729304912.

It can be divided in two parts, 228755 and 71, that added together give a triangular number (228826 = T₆₇₆).

The spelling of 22875571 in words is "twenty-two million, eight hundred seventy-five thousand, five hundred seventy-one".