22858943 has 2 divisors, whose sum is σ = 22858944. Its totient is φ = 22858942.

The previous prime is 22858939. The next prime is 22858949. The reversal of 22858943 is 34985822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22858943 - 2² = 22858939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22858943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22858949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11429471 + 11429472.

It is an arithmetic number, because the mean of its divisors is an integer number (11429472).

Almost surely, 2^22858943 is an apocalyptic number.

22858943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22858943 is an equidigital number, since it uses as much as digits as its factorization.

22858943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 22858943 is about 4781.1026970773. The cubic root of 22858943 is about 283.8041324527.

The spelling of 22858943 in words is "twenty-two million, eight hundred fifty-eight thousand, nine hundred forty-three".