22313112320 has 72 divisors (see below), whose sum is σ = 53946711504. Its totient is φ = 8841777152.

The previous prime is 22313112319. The next prime is 22313112359. The reversal of 22313112320 is 2321131322.

It is a super-3 number, since 3×22313112320³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22313112292 and 22313112301.

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, 55502 + ... + 218418.

It is an arithmetic number, because the mean of its divisors is an integer number (749259882).

Almost surely, 2^22313112320 is an apocalyptic number.

22313112320 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 22313112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26973355752).

22313112320 is an abundant number, since it is smaller than the sum of its proper divisors (31633599184).

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

22313112320 is a wasteful number, since it uses less digits than its factorization.

22313112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163045 (or 163031 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22313112320 its reverse (2321131322), we get a palindrome (24634243642).

The spelling of 22313112320 in words is "twenty-two billion, three hundred thirteen million, one hundred twelve thousand, three hundred twenty".