22801332 has 12 divisors (see below), whose sum is σ = 53203136. Its totient is φ = 7600440.

The previous prime is 22801327. The next prime is 22801333. The reversal of 22801332 is 23310822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22801299 and 22801308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22801333) 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, 950044 + ... + 950067.

Almost surely, 2^22801332 is an apocalyptic number.

It is an amenable number.

22801332 is an abundant number, since it is smaller than the sum of its proper divisors (30401804).

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

22801332 is a wasteful number, since it uses less digits than its factorization.

22801332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900118 (or 1900116 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22801332 is about 4775.0740308397. The cubic root of 22801332 is about 283.5655096537.

The spelling of 22801332 in words is "twenty-two million, eight hundred one thousand, three hundred thirty-two".