22200111320 has 64 divisors (see below), whose sum is σ = 51727896000. Its totient is φ = 8564674048.

The previous prime is 22200111281. The next prime is 22200111361. The reversal of 22200111320 is 2311100222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22200111295 and 22200111304.

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 15 ways as a sum of consecutive naturals, for example, 1130546 + ... + 1150014.

It is an arithmetic number, because the mean of its divisors is an integer number (808248375).

Almost surely, 2^22200111320 is an apocalyptic number.

22200111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25863948000).

22200111320 is an abundant number, since it is smaller than the sum of its proper divisors (29527784680).

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

22200111320 is a wasteful number, since it uses less digits than its factorization.

22200111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20492 (or 20488 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22200111320 its reverse (2311100222), we get a palindrome (24511211542).

The spelling of 22200111320 in words is "twenty-two billion, two hundred million, one hundred eleven thousand, three hundred twenty".