22661376833 has 2 divisors, whose sum is σ = 22661376834. Its totient is φ = 22661376832.

The previous prime is 22661376811. The next prime is 22661376877. The reversal of 22661376833 is 33867316622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11913285904 + 10748090929 = 109148^2 + 103673^2 .

It is a cyclic number.

It is not a de Polignac number, because 22661376833 - 2²⁴ = 22644599617 is a prime.

It is not a weakly prime, because it can be changed into another prime (22661316833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11330688416 + 11330688417.

It is an arithmetic number, because the mean of its divisors is an integer number (11330688417).

Almost surely, 2^22661376833 is an apocalyptic number.

It is an amenable number.

22661376833 is a deficient number, since it is larger than the sum of its proper divisors (1).

22661376833 is an equidigital number, since it uses as much as digits as its factorization.

22661376833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The spelling of 22661376833 in words is "twenty-two billion, six hundred sixty-one million, three hundred seventy-six thousand, eight hundred thirty-three".