22007323320 has 64 divisors (see below), whose sum is σ = 67141008000. Its totient is φ = 5769149568.

The previous prime is 22007323319. The next prime is 22007323321. The reversal of 22007323320 is 2332370022.

It is an interprime number because it is at equal distance from previous prime (22007323319) and next prime (22007323321).

It is a super-2 number, since 2×22007323320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22007323321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547110 + ... + 1561269.

It is an arithmetic number, because the mean of its divisors is an integer number (1049078250).

Almost surely, 2^22007323320 is an apocalyptic number.

22007323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22007323320 is an abundant number, since it is smaller than the sum of its proper divisors (45133684680).

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

22007323320 is a wasteful number, since it uses less digits than its factorization.

22007323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108452 (or 3108448 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

Adding to 22007323320 its reverse (2332370022), we get a palindrome (24339693342).

The spelling of 22007323320 in words is "twenty-two billion, seven million, three hundred twenty-three thousand, three hundred twenty".