22897943 has 2 divisors, whose sum is σ = 22897944. Its totient is φ = 22897942.

The previous prime is 22897909. The next prime is 22897951. The reversal of 22897943 is 34979822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22897943 - 2⁶ = 22897879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22897894 and 22897903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22897843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11448971 + 11448972.

It is an arithmetic number, because the mean of its divisors is an integer number (11448972).

Almost surely, 2^22897943 is an apocalyptic number.

22897943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22897943 is an equidigital number, since it uses as much as digits as its factorization.

22897943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 22897943 is about 4785.1795159638. The cubic root of 22897943 is about 283.9654416390.

The spelling of 22897943 in words is "twenty-two million, eight hundred ninety-seven thousand, nine hundred forty-three".