22289382761 has 2 divisors, whose sum is σ = 22289382762. Its totient is φ = 22289382760.

The previous prime is 22289382727. The next prime is 22289382779. The reversal of 22289382761 is 16728398222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20321928025 + 1967454736 = 142555^2 + 44356^2 .

It is a cyclic number.

It is not a de Polignac number, because 22289382761 - 2⁶ = 22289382697 is a prime.

It is not a weakly prime, because it can be changed into another prime (22289382061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11144691380 + 11144691381.

It is an arithmetic number, because the mean of its divisors is an integer number (11144691381).

Almost surely, 2^22289382761 is an apocalyptic number.

It is an amenable number.

22289382761 is a deficient number, since it is larger than the sum of its proper divisors (1).

22289382761 is an equidigital number, since it uses as much as digits as its factorization.

22289382761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The spelling of 22289382761 in words is "twenty-two billion, two hundred eighty-nine million, three hundred eighty-two thousand, seven hundred sixty-one".