22774166 has 8 divisors (see below), whose sum is σ = 35084640. Its totient is φ = 11079288.

The previous prime is 22774151. The next prime is 22774183. The reversal of 22774166 is 66147722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153806 + ... + 153953.

It is an arithmetic number, because the mean of its divisors is an integer number (4385580).

Almost surely, 2^22774166 is an apocalyptic number.

22774166 is a deficient number, since it is larger than the sum of its proper divisors (12310474).

22774166 is a wasteful number, since it uses less digits than its factorization.

22774166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307798.

The product of its digits is 28224, while the sum is 35.

The square root of 22774166 is about 4772.2286198379. The cubic root of 22774166 is about 283.4528495399.

The spelling of 22774166 in words is "twenty-two million, seven hundred seventy-four thousand, one hundred sixty-six".