22323002320 has 20 divisors (see below), whose sum is σ = 51900980580. Its totient is φ = 8929200896.

The previous prime is 22323002297. The next prime is 22323002333. The reversal of 22323002320 is 2320032322.

It can be written as a sum of positive squares in 2 ways, for example, as 10854305856 + 11468696464 = 104184^2 + 107092^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×22323002320³ (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 3 ways as a sum of consecutive naturals, for example, 139518685 + ... + 139518844.

It is an arithmetic number, because the mean of its divisors is an integer number (2595049029).

Almost surely, 2^22323002320 is an apocalyptic number.

22323002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22323002320 is an abundant number, since it is smaller than the sum of its proper divisors (29577978260).

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

22323002320 is a wasteful number, since it uses less digits than its factorization.

22323002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279037542 (or 279037536 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 22323002320 its reverse (2320032322), we get a palindrome (24643034642).

The spelling of 22323002320 in words is "twenty-two billion, three hundred twenty-three million, two thousand, three hundred twenty".