22895987 has 2 divisors, whose sum is σ = 22895988. Its totient is φ = 22895986.

The previous prime is 22895963. The next prime is 22896019. The reversal of 22895987 is 78959822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22895987 - 2⁸ = 22895731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22895087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11447993 + 11447994.

It is an arithmetic number, because the mean of its divisors is an integer number (11447994).

Almost surely, 2^22895987 is an apocalyptic number.

22895987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22895987 is an equidigital number, since it uses as much as digits as its factorization.

22895987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 22895987 is about 4784.9751305519. The cubic root of 22895987 is about 283.9573557276.

The spelling of 22895987 in words is "twenty-two million, eight hundred ninety-five thousand, nine hundred eighty-seven".