2422222 has 16 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 1052920.

The previous prime is 2422207. The next prime is 2422223. The reversal of 2422222 is 2222242.

2422222 is a modest number, since divided by 2222 gives 242 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2422196 and 2422205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422223) 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, 1888 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

2^2422222 is an apocalyptic number.

2422222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2422222 is a deficient number, since it is larger than the sum of its proper divisors (1714610).

2422222 is a wasteful number, since it uses less digits than its factorization.

2422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its digits is 256, while the sum is 16.

The square root of 2422222 is about 1556.3489325983. The cubic root of 2422222 is about 134.2985472441.

Adding to 2422222 its reverse (2222242), we get a palindrome (4644464).

It can be divided in two parts, 2 and 422222, that added together give a palindrome (422224).

The spelling of 2422222 in words is "two million, four hundred twenty-two thousand, two hundred twenty-two".