22166850 has 24 divisors (see below), whose sum is σ = 54974160. Its totient is φ = 5911120.

The previous prime is 22166843. The next prime is 22166899. The reversal of 22166850 is 5866122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 73740 + ... + 74039.

It is an arithmetic number, because the mean of its divisors is an integer number (2290590).

Almost surely, 2^22166850 is an apocalyptic number.

22166850 is an abundant number, since it is smaller than the sum of its proper divisors (32807310).

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

22166850 is a wasteful number, since it uses less digits than its factorization.

22166850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147794 (or 147789 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22166850 is about 4708.1684336905. The cubic root of 22166850 is about 280.9105138409.

The spelling of 22166850 in words is "twenty-two million, one hundred sixty-six thousand, eight hundred fifty".