2162222 has 8 divisors (see below), whose sum is σ = 3256200. Its totient is φ = 1076824.

The previous prime is 2162221. The next prime is 2162231. The reversal of 2162222 is 2222612.

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

2162222 is a modest number, since divided by 2222 gives 216 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2162222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162221) 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, 1472 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (407025).

2^2162222 is an apocalyptic number.

2162222 is a deficient number, since it is larger than the sum of its proper divisors (1093978).

2162222 is a wasteful number, since it uses less digits than its factorization.

2162222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its digits is 192, while the sum is 17.

The square root of 2162222 is about 1470.4495911115. The cubic root of 2162222 is about 129.3103917102.

Adding to 2162222 its reverse (2222612), we get a palindrome (4384834).

The spelling of 2162222 in words is "two million, one hundred sixty-two thousand, two hundred twenty-two".