22559673497 has 4 divisors (see below), whose sum is σ = 22582765236. Its totient is φ = 22536581760.

The previous prime is 22559673481. The next prime is 22559673509. The reversal of 22559673497 is 79437695522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20737152016 + 1822521481 = 144004^2 + 42691^2 .

It is a cyclic number.

It is not a de Polignac number, because 22559673497 - 2⁴ = 22559673481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22559675497) 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, 11544404 + ... + 11546357.

It is an arithmetic number, because the mean of its divisors is an integer number (5645691309).

Almost surely, 2^22559673497 is an apocalyptic number.

It is an amenable number.

22559673497 is a deficient number, since it is larger than the sum of its proper divisors (23091739).

22559673497 is an equidigital number, since it uses as much as digits as its factorization.

22559673497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23091738.

The product of its digits is 28576800, while the sum is 59.

The spelling of 22559673497 in words is "twenty-two billion, five hundred fifty-nine million, six hundred seventy-three thousand, four hundred ninety-seven".