22331112 has 32 divisors (see below), whose sum is σ = 55944000. Its totient is φ = 7428224.

The previous prime is 22331053. The next prime is 22331159. The reversal of 22331112 is 21113322.

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

It is a junction number, because it is equal to n+sod(n) for n = 22331091 and 22331100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20764 + ... + 21812.

It is an arithmetic number, because the mean of its divisors is an integer number (1748250).

Almost surely, 2^22331112 is an apocalyptic number.

It is an amenable number.

22331112 is an abundant number, since it is smaller than the sum of its proper divisors (33612888).

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

22331112 is a wasteful number, since it uses less digits than its factorization.

22331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1941 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 22331112 is about 4725.5805992492. The cubic root of 22331112 is about 281.6026797373.

Adding to 22331112 its reverse (21113322), we get a palindrome (43444434).

The spelling of 22331112 in words is "twenty-two million, three hundred thirty-one thousand, one hundred twelve".