22310232320 has 36 divisors (see below), whose sum is σ = 53439981420. Its totient is φ = 8924092416.

The previous prime is 22310232317. The next prime is 22310232331. The reversal of 22310232320 is 2323201322.

It can be written as a sum of positive squares in 2 ways, for example, as 5193220096 + 17117012224 = 72064^2 + 130832^2 .

It is a super-3 number, since 3×22310232320³ (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 = 22310232292 and 22310232301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8713655 + ... + 8716214.

Almost surely, 2^22310232320 is an apocalyptic number.

22310232320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22310232320 is an abundant number, since it is smaller than the sum of its proper divisors (31129749100).

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

22310232320 is an equidigital number, since it uses as much as digits as its factorization.

22310232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17429890 (or 17429876 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22310232320 its reverse (2323201322), we get a palindrome (24633433642).

The spelling of 22310232320 in words is "twenty-two billion, three hundred ten million, two hundred thirty-two thousand, three hundred twenty".