22524989779 has 2 divisors, whose sum is σ = 22524989780. Its totient is φ = 22524989778.

The previous prime is 22524989743. The next prime is 22524989803. The reversal of 22524989779 is 97798942522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22524989779 - 2⁷ = 22524989651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22524989779.

It is not a weakly prime, because it can be changed into another prime (22524989479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262494889 + 11262494890.

It is an arithmetic number, because the mean of its divisors is an integer number (11262494890).

Almost surely, 2^22524989779 is an apocalyptic number.

22524989779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22524989779 is an equidigital number, since it uses as much as digits as its factorization.

22524989779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 64.

The spelling of 22524989779 in words is "twenty-two billion, five hundred twenty-four million, nine hundred eighty-nine thousand, seven hundred seventy-nine".