22952387 has 2 divisors, whose sum is σ = 22952388. Its totient is φ = 22952386.

The previous prime is 22952381. The next prime is 22952389. The reversal of 22952387 is 78325922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22952387 - 2¹⁸ = 22690243 is a prime.

Together with 22952389, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22952387.

It is not a weakly prime, because it can be changed into another prime (22952381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476193 + 11476194.

It is an arithmetic number, because the mean of its divisors is an integer number (11476194).

Almost surely, 2^22952387 is an apocalyptic number.

22952387 is a deficient number, since it is larger than the sum of its proper divisors (1).

22952387 is an equidigital number, since it uses as much as digits as its factorization.

22952387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 22952387 is about 4790.8649532209. The cubic root of 22952387 is about 284.1903232294.

The spelling of 22952387 in words is "twenty-two million, nine hundred fifty-two thousand, three hundred eighty-seven".