22097232 has 40 divisors (see below), whose sum is σ = 63428480. Its totient is φ = 7365600.

The previous prime is 22097219. The next prime is 22097233. The reversal of 22097232 is 23279022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22097196 and 22097205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22097233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25144 + ... + 26007.

It is an arithmetic number, because the mean of its divisors is an integer number (1585712).

Almost surely, 2^22097232 is an apocalyptic number.

It is an amenable number.

22097232 is an abundant number, since it is smaller than the sum of its proper divisors (41331248).

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

22097232 is a wasteful number, since it uses less digits than its factorization.

22097232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51168 (or 51156 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22097232 is about 4700.7692987425. The cubic root of 22097232 is about 280.6161262432.

The spelling of 22097232 in words is "twenty-two million, ninety-seven thousand, two hundred thirty-two".