22772957279 has 2 divisors, whose sum is σ = 22772957280. Its totient is φ = 22772957278.

The previous prime is 22772957227. The next prime is 22772957323. The reversal of 22772957279 is 97275927722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22772957279 - 2²⁴ = 22756180063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22772957209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11386478639 + 11386478640.

It is an arithmetic number, because the mean of its divisors is an integer number (11386478640).

Almost surely, 2^22772957279 is an apocalyptic number.

22772957279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22772957279 is an equidigital number, since it uses as much as digits as its factorization.

22772957279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15558480, while the sum is 59.

The spelling of 22772957279 in words is "twenty-two billion, seven hundred seventy-two million, nine hundred fifty-seven thousand, two hundred seventy-nine".