22097328 has 40 divisors (see below), whose sum is σ = 62275776. Its totient is φ = 6696000.

The previous prime is 22097291. The next prime is 22097351. The reversal of 22097328 is 82379022.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20398 + ... + 21453.

Almost surely, 2^22097328 is an apocalyptic number.

It is an amenable number.

22097328 is an abundant number, since it is smaller than the sum of its proper divisors (40178448).

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

22097328 is a wasteful number, since it uses less digits than its factorization.

22097328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41873 (or 41867 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 22097328 is about 4700.7795098260. The cubic root of 22097328 is about 280.6165326155.

The spelling of 22097328 in words is "twenty-two million, ninety-seven thousand, three hundred twenty-eight".