22259281689 has 6 divisors (see below), whose sum is σ = 32152295786. Its totient is φ = 14839521120.

The previous prime is 22259281657. The next prime is 22259281703. The reversal of 22259281689 is 98618295222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17535056400 + 4724225289 = 132420^2 + 68733^2 .

It is not a de Polignac number, because 22259281689 - 2⁵ = 22259281657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22259285689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1236626752 + ... + 1236626769.

Almost surely, 2^22259281689 is an apocalyptic number.

It is an amenable number.

22259281689 is a deficient number, since it is larger than the sum of its proper divisors (9893014097).

22259281689 is a wasteful number, since it uses less digits than its factorization.

22259281689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473253527 (or 2473253524 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 22259281689 in words is "twenty-two billion, two hundred fifty-nine million, two hundred eighty-one thousand, six hundred eighty-nine".