22189396 has 12 divisors (see below), whose sum is σ = 38864448. Its totient is φ = 11085272.

The previous prime is 22189373. The next prime is 22189423. The reversal of 22189396 is 69398122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7845 + ... + 10291.

It is an arithmetic number, because the mean of its divisors is an integer number (3238704).

Almost surely, 2^22189396 is an apocalyptic number.

It is an amenable number.

22189396 is a deficient number, since it is larger than the sum of its proper divisors (16675052).

22189396 is a wasteful number, since it uses less digits than its factorization.

22189396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4716 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 22189396 is about 4710.5621745180. The cubic root of 22189396 is about 281.0057200070.

The spelling of 22189396 in words is "twenty-two million, one hundred eighty-nine thousand, three hundred ninety-six".