22444020420 has 24 divisors (see below), whose sum is σ = 62843257344. Its totient is φ = 5985072096.

The previous prime is 22444020419. The next prime is 22444020437. The reversal of 22444020420 is 2402044422.

It is a super-2 number, since 2×22444020420² (a number of 22 digits) contains 22 as substring.

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, 187033444 + ... + 187033563.

It is an arithmetic number, because the mean of its divisors is an integer number (2618469056).

Almost surely, 2^22444020420 is an apocalyptic number.

22444020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444020420 is an abundant number, since it is smaller than the sum of its proper divisors (40399236924).

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

22444020420 is a wasteful number, since it uses less digits than its factorization.

22444020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374067019 (or 374067017 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22444020420 its reverse (2402044422), we get a palindrome (24846064842).

The spelling of 22444020420 in words is "twenty-two billion, four hundred forty-four million, twenty thousand, four hundred twenty".