22961693 has 2 divisors, whose sum is σ = 22961694. Its totient is φ = 22961692.

The previous prime is 22961689. The next prime is 22961717. The reversal of 22961693 is 39616922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18852964 + 4108729 = 4342^2 + 2027^2 .

It is a cyclic number.

It is not a de Polignac number, because 22961693 - 2² = 22961689 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 (22961293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11480846 + 11480847.

It is an arithmetic number, because the mean of its divisors is an integer number (11480847).

Almost surely, 2^22961693 is an apocalyptic number.

It is an amenable number.

22961693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22961693 is an equidigital number, since it uses as much as digits as its factorization.

22961693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 22961693 is about 4791.8360781646. The cubic root of 22961693 is about 284.2287261749.

The spelling of 22961693 in words is "twenty-two million, nine hundred sixty-one thousand, six hundred ninety-three".