22205332 has 12 divisors (see below), whose sum is σ = 41145300. Its totient is φ = 10449536.

The previous prime is 22205317. The next prime is 22205333. The reversal of 22205332 is 23350222.

It can be written as a sum of positive squares in 2 ways, for example, as 6948496 + 15256836 = 2636^2 + 3906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163207 + ... + 163342.

It is an arithmetic number, because the mean of its divisors is an integer number (3428775).

Almost surely, 2^22205332 is an apocalyptic number.

It is an amenable number.

22205332 is a deficient number, since it is larger than the sum of its proper divisors (18939968).

22205332 is a wasteful number, since it uses less digits than its factorization.

22205332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326570 (or 326568 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22205332 is about 4712.2533887727. The cubic root of 22205332 is about 281.0729748878.

Adding to 22205332 its reverse (23350222), we get a palindrome (45555554).

The spelling of 22205332 in words is "twenty-two million, two hundred five thousand, three hundred thirty-two".