22545402256579 has 2 divisors, whose sum is σ = 22545402256580. Its totient is φ = 22545402256578.

The previous prime is 22545402256549. The next prime is 22545402256591. The reversal of 22545402256579 is 97565220454522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22545402256579 - 2¹⁵ = 22545402223811 is a prime.

It is not a weakly prime, because it can be changed into another prime (22545402256549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272701128289 + 11272701128290.

It is an arithmetic number, because the mean of its divisors is an integer number (11272701128290).

Almost surely, 2^{22545402256579} is an apocalyptic number.

22545402256579 is a deficient number, since it is larger than the sum of its proper divisors (1).

22545402256579 is an equidigital number, since it uses as much as digits as its factorization.

22545402256579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480000, while the sum is 58.

The spelling of 22545402256579 in words is "twenty-two trillion, five hundred forty-five billion, four hundred two million, two hundred fifty-six thousand, five hundred seventy-nine".