22104804500 has 48 divisors (see below), whose sum is σ = 48296106768. Its totient is φ = 8838403200.

The previous prime is 22104804457. The next prime is 22104804529. The reversal of 22104804500 is 540840122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7045587844 + 15059216656 = 83938^2 + 122716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22104804500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511222 + ... + 1525778.

It is an arithmetic number, because the mean of its divisors is an integer number (1006168891).

Almost surely, 2^22104804500 is an apocalyptic number.

22104804500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22104804500 is an abundant number, since it is smaller than the sum of its proper divisors (26191302268).

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

22104804500 is a wasteful number, since it uses less digits than its factorization.

22104804500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17613 (or 17601 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The spelling of 22104804500 in words is "twenty-two billion, one hundred four million, eight hundred four thousand, five hundred".