22625166 has 8 divisors (see below), whose sum is σ = 45250344. Its totient is φ = 7541720.

The previous prime is 22625149. The next prime is 22625179. The reversal of 22625166 is 66152622.

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

22625166 is an admirable number.

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, 1885425 + ... + 1885436.

It is an arithmetic number, because the mean of its divisors is an integer number (5656293).

Almost surely, 2^22625166 is an apocalyptic number.

22625166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22625166 is a wasteful number, since it uses less digits than its factorization.

22625166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770866.

The product of its digits is 8640, while the sum is 30.

The square root of 22625166 is about 4756.5918471107. The cubic root of 22625166 is about 282.8333330054.

Adding to 22625166 its reverse (66152622), we get a palindrome (88777788).

It can be divided in two parts, 22625 and 166, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 22625166 in words is "twenty-two million, six hundred twenty-five thousand, one hundred sixty-six".