22531012579 has 2 divisors, whose sum is σ = 22531012580. Its totient is φ = 22531012578.

The previous prime is 22531012513. The next prime is 22531012583. The reversal of 22531012579 is 97521013522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22531012579 - 2¹³ = 22531004387 is a prime.

It is not a weakly prime, because it can be changed into another prime (22531019579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265506289 + 11265506290.

It is an arithmetic number, because the mean of its divisors is an integer number (11265506290).

Almost surely, 2^22531012579 is an apocalyptic number.

22531012579 is a deficient number, since it is larger than the sum of its proper divisors (1).

22531012579 is an equidigital number, since it uses as much as digits as its factorization.

22531012579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 22531012579 in words is "twenty-two billion, five hundred thirty-one million, twelve thousand, five hundred seventy-nine".