22764761 has 2 divisors, whose sum is σ = 22764762. Its totient is φ = 22764760.

The previous prime is 22764727. The next prime is 22764769. The reversal of 22764761 is 16746722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 59536 = 4765^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 22764761 - 2⁶ = 22764697 is a prime.

It is not a weakly prime, because it can be changed into another prime (22764769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382380 + 11382381.

It is an arithmetic number, because the mean of its divisors is an integer number (11382381).

Almost surely, 2^22764761 is an apocalyptic number.

It is an amenable number.

22764761 is a deficient number, since it is larger than the sum of its proper divisors (1).

22764761 is an equidigital number, since it uses as much as digits as its factorization.

22764761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 22764761 is about 4771.2431294161. The cubic root of 22764761 is about 283.4138251894.

The spelling of 22764761 in words is "twenty-two million, seven hundred sixty-four thousand, seven hundred sixty-one".