22199836 has 12 divisors (see below), whose sum is σ = 38899728. Its totient is φ = 11085632.

The previous prime is 22199833. The next prime is 22199851. The reversal of 22199836 is 63899122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22199833) 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, 420 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (3241644).

Almost surely, 2^22199836 is an apocalyptic number.

It is an amenable number.

22199836 is a deficient number, since it is larger than the sum of its proper divisors (16699892).

22199836 is a wasteful number, since it uses less digits than its factorization.

22199836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148 (or 7146 counting only the distinct ones).

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

The square root of 22199836 is about 4711.6701921930. The cubic root of 22199836 is about 281.0497836931.

The spelling of 22199836 in words is "twenty-two million, one hundred ninety-nine thousand, eight hundred thirty-six".