22443332 has 48 divisors (see below), whose sum is σ = 45360000. Its totient is φ = 9644544.

The previous prime is 22443329. The next prime is 22443341. The reversal of 22443332 is 23334422.

It is a junction number, because it is equal to n+sod(n) for n = 22443298 and 22443307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37169 + ... + 37767.

It is an arithmetic number, because the mean of its divisors is an integer number (945000).

Almost surely, 2^22443332 is an apocalyptic number.

It is an amenable number.

22443332 is an abundant number, since it is smaller than the sum of its proper divisors (22916668).

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

22443332 is a wasteful number, since it uses less digits than its factorization.

22443332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 666 counting only the distinct ones).

The product of its digits is 3456, while the sum is 23.

The square root of 22443332 is about 4737.4393927522. The cubic root of 22443332 is about 282.0736021687.

Adding to 22443332 its reverse (23334422), we get a palindrome (45777754).

The spelling of 22443332 in words is "twenty-two million, four hundred forty-three thousand, three hundred thirty-two".