22097984 has 28 divisors (see below), whose sum is σ = 44005500. Its totient is φ = 11010048.

The previous prime is 22097927. The next prime is 22097987. The reversal of 22097984 is 48979022.

It can be written as a sum of positive squares in 2 ways, for example, as 11075584 + 11022400 = 3328^2 + 3320^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22097987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28352 + ... + 29120.

It is an arithmetic number, because the mean of its divisors is an integer number (1571625).

Almost surely, 2^22097984 is an apocalyptic number.

It is an amenable number.

22097984 is a deficient number, since it is larger than the sum of its proper divisors (21907516).

22097984 is an equidigital number, since it uses as much as digits as its factorization.

22097984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 22097984 is about 4700.8492849697. The cubic root of 22097984 is about 280.6193094614.

The spelling of 22097984 in words is "twenty-two million, ninety-seven thousand, nine hundred eighty-four".