22044408820 has 24 divisors (see below), whose sum is σ = 52906581504. Its totient is φ = 7558082976.

The previous prime is 22044408739. The next prime is 22044408839. The reversal of 22044408820 is 2880444022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78729892 + ... + 78730171.

It is an arithmetic number, because the mean of its divisors is an integer number (2204440896).

Almost surely, 2^22044408820 is an apocalyptic number.

22044408820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044408820 is an abundant number, since it is smaller than the sum of its proper divisors (30862172684).

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

22044408820 is a wasteful number, since it uses less digits than its factorization.

22044408820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157460079 (or 157460077 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 34.

The spelling of 22044408820 in words is "twenty-two billion, forty-four million, four hundred eight thousand, eight hundred twenty".