22547541204 has 18 divisors (see below), whose sum is σ = 56995173690. Its totient is φ = 7515847056.

The previous prime is 22547541199. The next prime is 22547541229. The reversal of 22547541204 is 40214574522.

It can be written as a sum of positive squares in only one way, i.e., 21353976900 + 1193564304 = 146130^2 + 34548^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×22547541204² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 626320589 = 22547541204 / (2 + 2 + 5 + 4 + 7 + 5 + 4 + 1 + 2 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313160259 + ... + 313160330.

Almost surely, 2^22547541204 is an apocalyptic number.

It is an amenable number.

22547541204 is an abundant number, since it is smaller than the sum of its proper divisors (34447632486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22547541204 is a wasteful number, since it uses less digits than its factorization.

22547541204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626320599 (or 626320594 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

The spelling of 22547541204 in words is "twenty-two billion, five hundred forty-seven million, five hundred forty-one thousand, two hundred four".