22320250320 has 80 divisors (see below), whose sum is σ = 69208695360. Its totient is φ = 5950697472.

The previous prime is 22320250301. The next prime is 22320250343. The reversal of 22320250320 is 2305202322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×22320250320³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448416 + ... + 1463744.

It is an arithmetic number, because the mean of its divisors is an integer number (865108692).

Almost surely, 2^22320250320 is an apocalyptic number.

22320250320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22320250320 is an abundant number, since it is smaller than the sum of its proper divisors (46888445040).

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

22320250320 is a wasteful number, since it uses less digits than its factorization.

22320250320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21412 (or 21406 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 22320250320 its reverse (2305202322), we get a palindrome (24625452642).

The spelling of 22320250320 in words is "twenty-two billion, three hundred twenty million, two hundred fifty thousand, three hundred twenty".