22961293 has 2 divisors, whose sum is σ = 22961294. Its totient is φ = 22961292.

The previous prime is 22961273. The next prime is 22961303. The reversal of 22961293 is 39216922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14122564 + 8838729 = 3758^2 + 2973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22961293 is a prime.

It is equal to p_1445947 and since 22961293 and 1445947 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22961273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11480646 + 11480647.

It is an arithmetic number, because the mean of its divisors is an integer number (11480647).

Almost surely, 2^22961293 is an apocalyptic number.

It is an amenable number.

22961293 is a deficient number, since it is larger than the sum of its proper divisors (1).

22961293 is an equidigital number, since it uses as much as digits as its factorization.

22961293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 22961293 is about 4791.7943403281. The cubic root of 22961293 is about 284.2270757137.

The spelling of 22961293 in words is "twenty-two million, nine hundred sixty-one thousand, two hundred ninety-three".