22310012320 has 24 divisors (see below), whose sum is σ = 52707404484. Its totient is φ = 8924004864.

The previous prime is 22310012317. The next prime is 22310012323. The reversal of 22310012320 is 2321001322.

It is an interprime number because it is at equal distance from previous prime (22310012317) and next prime (22310012323).

It can be written as a sum of positive squares in 2 ways, for example, as 19386663696 + 2923348624 = 139236^2 + 54068^2 .

It is a super-3 number, since 3×22310012320³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22310012294 and 22310012303.

It is not an unprimeable number, because it can be changed into a prime (22310012323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69718629 + ... + 69718948.

Almost surely, 2^22310012320 is an apocalyptic number.

22310012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22310012320 is an abundant number, since it is smaller than the sum of its proper divisors (30397392164).

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

22310012320 is a wasteful number, since it uses less digits than its factorization.

22310012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139437592 (or 139437584 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22310012320 its reverse (2321001322), we get a palindrome (24631013642).

The spelling of 22310012320 in words is "twenty-two billion, three hundred ten million, twelve thousand, three hundred twenty".