22097089 has 16 divisors (see below), whose sum is σ = 26899200. Its totient is φ = 18110400.

The previous prime is 22097087. The next prime is 22097107. The reversal of 22097089 is 98079022.

It is not a de Polignac number, because 22097089 - 2¹ = 22097087 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22097081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6489 + ... + 9289.

It is an arithmetic number, because the mean of its divisors is an integer number (1681200).

Almost surely, 2^22097089 is an apocalyptic number.

It is an amenable number.

22097089 is a deficient number, since it is larger than the sum of its proper divisors (4802111).

22097089 is an equidigital number, since it uses as much as digits as its factorization.

22097089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 22097089 is about 4700.7540884416. The cubic root of 22097089 is about 280.6155209157.

The spelling of 22097089 in words is "twenty-two million, ninety-seven thousand, eighty-nine".