22545023279 has 2 divisors, whose sum is σ = 22545023280. Its totient is φ = 22545023278.

The previous prime is 22545023273. The next prime is 22545023357. The reversal of 22545023279 is 97232054522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22545023279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22545023273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272511639 + 11272511640.

It is an arithmetic number, because the mean of its divisors is an integer number (11272511640).

Almost surely, 2^22545023279 is an apocalyptic number.

22545023279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22545023279 is an equidigital number, since it uses as much as digits as its factorization.

22545023279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 22545023279 in words is "twenty-two billion, five hundred forty-five million, twenty-three thousand, two hundred seventy-nine".