22044368420 has 24 divisors (see below), whose sum is σ = 46333372344. Its totient is φ = 8810090496.

The previous prime is 22044368407. The next prime is 22044368441. The reversal of 22044368420 is 2486344022.

It can be written as a sum of positive squares in 4 ways, for example, as 9459118564 + 12585249856 = 97258^2 + 112184^2 .

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, 454919 + ... + 501038.

It is an arithmetic number, because the mean of its divisors is an integer number (1930557181).

Almost surely, 2^22044368420 is an apocalyptic number.

22044368420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044368420 is an abundant number, since it is smaller than the sum of its proper divisors (24289003924).

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

22044368420 is a wasteful number, since it uses less digits than its factorization.

22044368420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957119 (or 957117 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 22044368420 in words is "twenty-two billion, forty-four million, three hundred sixty-eight thousand, four hundred twenty".