22953911 has 2 divisors, whose sum is σ = 22953912. Its totient is φ = 22953910.

The previous prime is 22953883. The next prime is 22953937. The reversal of 22953911 is 11935922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22953911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22953941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476955 + 11476956.

It is an arithmetic number, because the mean of its divisors is an integer number (11476956).

Almost surely, 2^22953911 is an apocalyptic number.

22953911 is a deficient number, since it is larger than the sum of its proper divisors (1).

22953911 is an equidigital number, since it uses as much as digits as its factorization.

22953911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 32.

The square root of 22953911 is about 4791.0240032795. The cubic root of 22953911 is about 284.1966130104.

The spelling of 22953911 in words is "twenty-two million, nine hundred fifty-three thousand, nine hundred eleven".