22794887 has 2 divisors, whose sum is σ = 22794888. Its totient is φ = 22794886.

The previous prime is 22794883. The next prime is 22794901. The reversal of 22794887 is 78849722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22794887 - 2² = 22794883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22794883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11397443 + 11397444.

It is an arithmetic number, because the mean of its divisors is an integer number (11397444).

Almost surely, 2^22794887 is an apocalyptic number.

22794887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22794887 is an equidigital number, since it uses as much as digits as its factorization.

22794887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The square root of 22794887 is about 4774.3991244972. The cubic root of 22794887 is about 283.5387896952.

The spelling of 22794887 in words is "twenty-two million, seven hundred ninety-four thousand, eight hundred eighty-seven".