22344442120 has 128 divisors (see below), whose sum is σ = 67502211840. Its totient is φ = 6428759040.

The previous prime is 22344442097. The next prime is 22344442123. The reversal of 22344442120 is 2124444322.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22344442123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238987 + ... + 319066.

It is an arithmetic number, because the mean of its divisors is an integer number (527361030).

Almost surely, 2^22344442120 is an apocalyptic number.

22344442120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22344442120 is an abundant number, since it is smaller than the sum of its proper divisors (45157769720).

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

22344442120 is a wasteful number, since it uses less digits than its factorization.

22344442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558095 (or 558091 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22344442120 its reverse (2124444322), we get a palindrome (24468886442).

It can be divided in two parts, 22344 and 442120, that added together give a palindrome (464464).

The spelling of 22344442120 in words is "twenty-two billion, three hundred forty-four million, four hundred forty-two thousand, one hundred twenty".