22200331320 has 96 divisors (see below), whose sum is σ = 74478568320. Its totient is φ = 5729114880.

The previous prime is 22200331303. The next prime is 22200331337. The reversal of 22200331320 is 2313300222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22200331303) and next prime (22200331337).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22200331293 and 22200331302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983479 + ... + 1005798.

It is an arithmetic number, because the mean of its divisors is an integer number (775818420).

Almost surely, 2^22200331320 is an apocalyptic number.

22200331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200331320 is an abundant number, since it is smaller than the sum of its proper divisors (52278237000).

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

22200331320 is a wasteful number, since it uses less digits than its factorization.

22200331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989325 (or 1989318 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22200331320 its reverse (2313300222), we get a palindrome (24513631542).

The spelling of 22200331320 in words is "twenty-two billion, two hundred million, three hundred thirty-one thousand, three hundred twenty".