22544948163 has 6 divisors (see below), whose sum is σ = 30060277644. Its totient is φ = 15029792064.

The previous prime is 22544948147. The next prime is 22544948213. The reversal of 22544948163 is 36184944522.

It is not a de Polignac number, because 22544948163 - 2⁴ = 22544948147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22544948113) 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, 216723 + ... + 303411.

It is an arithmetic number, because the mean of its divisors is an integer number (5010046274).

Almost surely, 2^22544948163 is an apocalyptic number.

22544948163 is a deficient number, since it is larger than the sum of its proper divisors (7515329481).

22544948163 is an frugal number, since it uses more digits than its factorization.

22544948163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173381 (or 86692 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

Multiplying 22544948163 by its sum of digits (48), we get a square (1082157511824 = 1040268²).

The spelling of 22544948163 in words is "twenty-two billion, five hundred forty-four million, nine hundred forty-eight thousand, one hundred sixty-three".