2822172 has 12 divisors (see below), whose sum is σ = 6585096. Its totient is φ = 940720.

The previous prime is 2822159. The next prime is 2822189. The reversal of 2822172 is 2712282.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 117579 + ... + 117602.

It is an arithmetic number, because the mean of its divisors is an integer number (548758).

2^2822172 is an apocalyptic number.

It is an amenable number.

2822172 is an abundant number, since it is smaller than the sum of its proper divisors (3762924).

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

2822172 is a wasteful number, since it uses less digits than its factorization.

2822172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235188 (or 235186 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 2822172 is about 1679.9321414867. The cubic root of 2822172 is about 141.3170272118.

The spelling of 2822172 in words is "two million, eight hundred twenty-two thousand, one hundred seventy-two".