22946887 has 2 divisors, whose sum is σ = 22946888. Its totient is φ = 22946886.

The previous prime is 22946879. The next prime is 22946909. The reversal of 22946887 is 78864922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22946887 - 2³ = 22946879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22946837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11473443 + 11473444.

It is an arithmetic number, because the mean of its divisors is an integer number (11473444).

Almost surely, 2^22946887 is an apocalyptic number.

22946887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22946887 is an equidigital number, since it uses as much as digits as its factorization.

22946887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 22946887 is about 4790.2909097465. The cubic root of 22946887 is about 284.1676215725.

The spelling of 22946887 in words is "twenty-two million, nine hundred forty-six thousand, eight hundred eighty-seven".