22146672 has 40 divisors (see below), whose sum is σ = 57397120. Its totient is φ = 7358400.

The previous prime is 22146661. The next prime is 22146697. The reversal of 22146672 is 27664122.

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, 20547 + ... + 21597.

It is an arithmetic number, because the mean of its divisors is an integer number (1434928).

Almost surely, 2^22146672 is an apocalyptic number.

It is an amenable number.

22146672 is an abundant number, since it is smaller than the sum of its proper divisors (35250448).

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

22146672 is a wasteful number, since it uses less digits than its factorization.

22146672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1495 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 22146672 is about 4706.0250743063. The cubic root of 22146672 is about 280.8252523941.

The spelling of 22146672 in words is "twenty-two million, one hundred forty-six thousand, six hundred seventy-two".