22045232 has 60 divisors (see below), whose sum is σ = 47991720. Its totient is φ = 9799680.

The previous prime is 22045207. The next prime is 22045237. The reversal of 22045232 is 23254022.

It is not an unprimeable number, because it can be changed into a prime (22045237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114128 + ... + 114320.

It is an arithmetic number, because the mean of its divisors is an integer number (799862).

Almost surely, 2^22045232 is an apocalyptic number.

22045232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22045232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23995860).

22045232 is an abundant number, since it is smaller than the sum of its proper divisors (25946488).

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

22045232 is a wasteful number, since it uses less digits than its factorization.

22045232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22045232 is about 4695.2350313909. The cubic root of 22045232 is about 280.3958347044.

Adding to 22045232 its reverse (23254022), we get a palindrome (45299254).

The spelling of 22045232 in words is "twenty-two million, forty-five thousand, two hundred thirty-two".