22196388 has 12 divisors (see below), whose sum is σ = 51791600. Its totient is φ = 7398792.

The previous prime is 22196371. The next prime is 22196423. The reversal of 22196388 is 88369122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924838 + ... + 924861.

Almost surely, 2^22196388 is an apocalyptic number.

It is an amenable number.

22196388 is an abundant number, since it is smaller than the sum of its proper divisors (29595212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22196388 is a wasteful number, since it uses less digits than its factorization.

22196388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849706 (or 1849704 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 22196388 is about 4711.3042780105. The cubic root of 22196388 is about 281.0352323870.

The spelling of 22196388 in words is "twenty-two million, one hundred ninety-six thousand, three hundred eighty-eight".