22559428873 has 4 divisors (see below), whose sum is σ = 22572299668. Its totient is φ = 22546558080.

The previous prime is 22559428823. The next prime is 22559428877. The reversal of 22559428873 is 37882495522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37882495522 = 2 ⋅18941247761.

It can be written as a sum of positive squares in 2 ways, for example, as 7716392649 + 14843036224 = 87843^2 + 121832^2 .

It is a cyclic number.

It is not a de Polignac number, because 22559428873 - 2⁹ = 22559428361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22559428877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6432768 + ... + 6436273.

It is an arithmetic number, because the mean of its divisors is an integer number (5643074917).

Almost surely, 2^22559428873 is an apocalyptic number.

It is an amenable number.

22559428873 is a deficient number, since it is larger than the sum of its proper divisors (12870795).

22559428873 is a wasteful number, since it uses less digits than its factorization.

22559428873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870794.

The product of its digits is 9676800, while the sum is 55.

The spelling of 22559428873 in words is "twenty-two billion, five hundred fifty-nine million, four hundred twenty-eight thousand, eight hundred seventy-three".