22965881 has 2 divisors, whose sum is σ = 22965882. Its totient is φ = 22965880.

The previous prime is 22965869. The next prime is 22965893. The reversal of 22965881 is 18856922.

It is a balanced prime because it is at equal distance from previous prime (22965869) and next prime (22965893).

It can be written as a sum of positive squares in only one way, i.e., 22005481 + 960400 = 4691^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 22965881 - 2¹⁰ = 22964857 is a prime.

It is a super-2 number, since 2×22965881² = 1054863380212322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22965821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11482940 + 11482941.

It is an arithmetic number, because the mean of its divisors is an integer number (11482941).

Almost surely, 2^22965881 is an apocalyptic number.

It is an amenable number.

22965881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22965881 is an equidigital number, since it uses as much as digits as its factorization.

22965881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 22965881 is about 4792.2730514861. The cubic root of 22965881 is about 284.2460053529.

The spelling of 22965881 in words is "twenty-two million, nine hundred sixty-five thousand, eight hundred eighty-one".