22194974 has 16 divisors (see below), whose sum is σ = 34041600. Its totient is φ = 10849944.

The previous prime is 22194961. The next prime is 22194989. The reversal of 22194974 is 47949122.

It is a congruent number.

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, 27809 + ... + 28595.

It is an arithmetic number, because the mean of its divisors is an integer number (2127600).

Almost surely, 2^22194974 is an apocalyptic number.

22194974 is a deficient number, since it is larger than the sum of its proper divisors (11846626).

22194974 is a wasteful number, since it uses less digits than its factorization.

22194974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its digits is 36288, while the sum is 38.

The square root of 22194974 is about 4711.1542110188. The cubic root of 22194974 is about 281.0292645653.

The spelling of 22194974 in words is "twenty-two million, one hundred ninety-four thousand, nine hundred seventy-four".