22186674 has 24 divisors (see below), whose sum is σ = 50162112. Its totient is φ = 7073880.

The previous prime is 22186673. The next prime is 22186691. The reversal of 22186674 is 47668122.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22186673) by changing a digit.

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, 26382 + ... + 27209.

It is an arithmetic number, because the mean of its divisors is an integer number (2090088).

Almost surely, 2^22186674 is an apocalyptic number.

22186674 is an abundant number, since it is smaller than the sum of its proper divisors (27975438).

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

22186674 is a wasteful number, since it uses less digits than its factorization.

22186674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53622 (or 53619 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 22186674 is about 4710.2732404819. The cubic root of 22186674 is about 280.9942291001.

It can be divided in two parts, 2218667 and 4, that added together give a triangular number (2218671 = T₂₁₀₆).

The spelling of 22186674 in words is "twenty-two million, one hundred eighty-six thousand, six hundred seventy-four".