2168422 has 8 divisors (see below), whose sum is σ = 3340656. Its totient is φ = 1054872.

The previous prime is 2168407. The next prime is 2168429. The reversal of 2168422 is 2248612.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14578 + ... + 14725.

It is an arithmetic number, because the mean of its divisors is an integer number (417582).

2^2168422 is an apocalyptic number.

2168422 is a deficient number, since it is larger than the sum of its proper divisors (1172234).

2168422 is a wasteful number, since it uses less digits than its factorization.

2168422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29342.

The product of its digits is 1536, while the sum is 25.

The square root of 2168422 is about 1472.5562807581. The cubic root of 2168422 is about 129.4338695266.

The spelling of 2168422 in words is "two million, one hundred sixty-eight thousand, four hundred twenty-two".