22232322140 has 72 divisors (see below), whose sum is σ = 54337786272. Its totient is φ = 7618665600.

The previous prime is 22232322139. The next prime is 22232322163. The reversal of 22232322140 is 4122323222.

It is a super-2 number, since 2×22232322140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2495534 + ... + 2504426.

It is an arithmetic number, because the mean of its divisors is an integer number (754691476).

Almost surely, 2^22232322140 is an apocalyptic number.

22232322140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232322140 is an abundant number, since it is smaller than the sum of its proper divisors (32105464132).

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

22232322140 is a wasteful number, since it uses less digits than its factorization.

22232322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11467 (or 11458 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22232322140 its reverse (4122323222), we get a palindrome (26354645362).

The spelling of 22232322140 in words is "twenty-two billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred forty".