22097590 has 8 divisors (see below), whose sum is σ = 39775680. Its totient is φ = 8839032.

The previous prime is 22097561. The next prime is 22097591. The reversal of 22097590 is 9579022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22097591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104870 + ... + 1104889.

It is an arithmetic number, because the mean of its divisors is an integer number (4971960).

Almost surely, 2^22097590 is an apocalyptic number.

22097590 is a deficient number, since it is larger than the sum of its proper divisors (17678090).

22097590 is a wasteful number, since it uses less digits than its factorization.

22097590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209766.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 22097590 is about 4700.8073774619. The cubic root of 22097590 is about 280.6176416673.

The spelling of 22097590 in words is "twenty-two million, ninety-seven thousand, five hundred ninety".