22199690 has 16 divisors (see below), whose sum is σ = 40249440. Its totient is φ = 8815440.

The previous prime is 22199687. The next prime is 22199707. The reversal of 22199690 is 9699122.

It is a super-2 number, since 2×22199690² = 985652472192200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6596 + ... + 9375.

It is an arithmetic number, because the mean of its divisors is an integer number (2515590).

Almost surely, 2^22199690 is an apocalyptic number.

22199690 is a deficient number, since it is larger than the sum of its proper divisors (18049750).

22199690 is a wasteful number, since it uses less digits than its factorization.

22199690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 22199690 is about 4711.6546987232. The cubic root of 22199690 is about 281.0491675721.

The spelling of 22199690 in words is "twenty-two million, one hundred ninety-nine thousand, six hundred ninety".