22875289 has 2 divisors, whose sum is σ = 22875290. Its totient is φ = 22875288.

The previous prime is 22875247. The next prime is 22875299. The reversal of 22875289 is 98257822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21206025 + 1669264 = 4605^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 22875289 - 2⁹ = 22874777 is a prime.

It is not a weakly prime, because it can be changed into another prime (22875239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11437644 + 11437645.

It is an arithmetic number, because the mean of its divisors is an integer number (11437645).

Almost surely, 2^22875289 is an apocalyptic number.

It is an amenable number.

22875289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22875289 is an equidigital number, since it uses as much as digits as its factorization.

22875289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 22875289 is about 4782.8118298758. The cubic root of 22875289 is about 283.8717639994.

The spelling of 22875289 in words is "twenty-two million, eight hundred seventy-five thousand, two hundred eighty-nine".