22166996 has 24 divisors (see below), whose sum is σ = 41942880. Its totient is φ = 10215072.

The previous prime is 22166993. The next prime is 22167001. The reversal of 22166996 is 69966122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22166993) 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 7 ways as a sum of consecutive naturals, for example, 1130 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (1747620).

Almost surely, 2^22166996 is an apocalyptic number.

It is an amenable number.

22166996 is a deficient number, since it is larger than the sum of its proper divisors (19775884).

22166996 is a wasteful number, since it uses less digits than its factorization.

22166996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943 (or 7941 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 22166996 is about 4708.1839386328. The cubic root of 22166996 is about 280.9111305703.

The spelling of 22166996 in words is "twenty-two million, one hundred sixty-six thousand, nine hundred ninety-six".