2164422 has 16 divisors (see below), whose sum is σ = 4662000. Its totient is φ = 665952.

The previous prime is 2164417. The next prime is 2164429. The reversal of 2164422 is 2244612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164429) 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, 13797 + ... + 13952.

It is an arithmetic number, because the mean of its divisors is an integer number (291375).

2^2164422 is an apocalyptic number.

2164422 is an abundant number, since it is smaller than the sum of its proper divisors (2497578).

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

2164422 is a wasteful number, since it uses less digits than its factorization.

2164422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27767.

The product of its digits is 768, while the sum is 21.

The square root of 2164422 is about 1471.1974714497. The cubic root of 2164422 is about 129.3542334051.

The spelling of 2164422 in words is "two million, one hundred sixty-four thousand, four hundred twenty-two".