22312230988 has 24 divisors (see below), whose sum is σ = 39268625760. Its totient is φ = 11092801920.

The previous prime is 22312230959. The next prime is 22312230989. The reversal of 22312230988 is 88903221322.

It is a super-3 number, since 3×22312230988³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22312230988.

It is not an unprimeable number, because it can be changed into a prime (22312230989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486870 + ... + 530722.

It is an arithmetic number, because the mean of its divisors is an integer number (1636192740).

Almost surely, 2^22312230988 is an apocalyptic number.

It is an amenable number.

22312230988 is a deficient number, since it is larger than the sum of its proper divisors (16956394772).

22312230988 is a wasteful number, since it uses less digits than its factorization.

22312230988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44577 (or 44575 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 22312230988 in words is "twenty-two billion, three hundred twelve million, two hundred thirty thousand, nine hundred eighty-eight".