22108497 has 12 divisors (see below), whose sum is σ = 30817584. Its totient is φ = 14097160.

The previous prime is 22108453. The next prime is 22108507. The reversal of 22108497 is 79480122.

It is a happy number.

It is not a de Polignac number, because 22108497 - 2⁶ = 22108433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22108417) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5379 + ... + 8552.

It is an arithmetic number, because the mean of its divisors is an integer number (2568132).

Almost surely, 2^22108497 is an apocalyptic number.

It is an amenable number.

22108497 is a deficient number, since it is larger than the sum of its proper divisors (8709087).

22108497 is a wasteful number, since it uses less digits than its factorization.

22108497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980 (or 13957 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22108497 is about 4701.9673542040. The cubic root of 22108497 is about 280.6638034612.

The spelling of 22108497 in words is "twenty-two million, one hundred eight thousand, four hundred ninety-seven".