22233132 has 18 divisors (see below), whose sum is σ = 56200508. Its totient is φ = 7411032.

The previous prime is 22233121. The next prime is 22233139. The reversal of 22233132 is 23133222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 (22233139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308758 + ... + 308829.

Almost surely, 2^22233132 is an apocalyptic number.

It is an amenable number.

22233132 is an abundant number, since it is smaller than the sum of its proper divisors (33967376).

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

22233132 is a wasteful number, since it uses less digits than its factorization.

22233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617597 (or 617592 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 22233132 is about 4715.2022225987. The cubic root of 22233132 is about 281.1902225549.

Adding to 22233132 its reverse (23133222), we get a palindrome (45366354).

The spelling of 22233132 in words is "twenty-two million, two hundred thirty-three thousand, one hundred thirty-two".