2622172 has 24 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 1107120.

The previous prime is 2622167. The next prime is 2622173. The reversal of 2622172 is 2712262.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1329 + ... + 2647.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

2^2622172 is an apocalyptic number.

It is an amenable number.

2622172 is an abundant number, since it is smaller than the sum of its proper divisors (2700068).

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

2622172 is a wasteful number, since it uses less digits than its factorization.

2622172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1399 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 2622172 is about 1619.3121996700. The cubic root of 2622172 is about 137.8966530024.

The spelling of 2622172 in words is "two million, six hundred twenty-two thousand, one hundred seventy-two".