22090648 has 16 divisors (see below), whose sum is σ = 42383880. Its totient is φ = 10788288.

The previous prime is 22090643. The next prime is 22090657. The reversal of 22090648 is 84609022.

It is a super-3 number, since 3×22090648³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22090643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31765 + ... + 32452.

Almost surely, 2^22090648 is an apocalyptic number.

It is an amenable number.

22090648 is a deficient number, since it is larger than the sum of its proper divisors (20293232).

22090648 is a wasteful number, since it uses less digits than its factorization.

22090648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64266 (or 64262 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22090648 is about 4700.0689356647. The cubic root of 22090648 is about 280.5882530673.

The spelling of 22090648 in words is "twenty-two million, ninety thousand, six hundred forty-eight".