22112232 has 32 divisors (see below), whose sum is σ = 55524480. Its totient is φ = 7338240.

The previous prime is 22112221. The next prime is 22112249. The reversal of 22112232 is 23221122.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3873 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (1735140).

Almost surely, 2^22112232 is an apocalyptic number.

It is an amenable number.

22112232 is an abundant number, since it is smaller than the sum of its proper divisors (33412248).

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

22112232 is a wasteful number, since it uses less digits than its factorization.

22112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073 (or 4069 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 22112232 is about 4702.3645116048. The cubic root of 22112232 is about 280.6796076454.

Adding to 22112232 its reverse (23221122), we get a palindrome (45333354).

The spelling of 22112232 in words is "twenty-two million, one hundred twelve thousand, two hundred thirty-two".