22311323112 has 64 divisors (see below), whose sum is σ = 60139759680. Its totient is φ = 6856929792.

The previous prime is 22311323093. The next prime is 22311323117. The reversal of 22311323112 is 21132311322.

It is a super-3 number, since 3×22311323112³ (a number of 32 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22311323117) by changing a digit.

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, 225663 + ... + 309105.

It is an arithmetic number, because the mean of its divisors is an integer number (939683745).

Almost surely, 2^22311323112 is an apocalyptic number.

It is an amenable number.

22311323112 is an abundant number, since it is smaller than the sum of its proper divisors (37828436568).

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

22311323112 is a wasteful number, since it uses less digits than its factorization.

22311323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84322 (or 84318 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 22311323112 its reverse (21132311322), we get a palindrome (43443634434).

The spelling of 22311323112 in words is "twenty-two billion, three hundred eleven million, three hundred twenty-three thousand, one hundred twelve".