2252222 has 16 divisors (see below), whose sum is σ = 4064640. Its totient is φ = 914328.

The previous prime is 2252221. The next prime is 2252231. The reversal of 2252222 is 2222522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2252222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3968 + ... + 4499.

It is an arithmetic number, because the mean of its divisors is an integer number (254040).

2^2252222 is an apocalyptic number.

2252222 is a deficient number, since it is larger than the sum of its proper divisors (1812418).

2252222 is a wasteful number, since it uses less digits than its factorization.

2252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495.

The product of its digits is 320, while the sum is 17.

The square root of 2252222 is about 1500.7404838945. The cubic root of 2252222 is about 131.0801909807.

Adding to 2252222 its reverse (2222522), we get a palindrome (4474744).

The spelling of 2252222 in words is "two million, two hundred fifty-two thousand, two hundred twenty-two".