2552222 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 1222872.

The previous prime is 2552219. The next prime is 2552233. The reversal of 2552222 is 2222552.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁵ + 5² + 5⁹ + 2¹⁰ + 2¹³ + 2¹⁶ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2552194 and 2552203.

It is a congruent number.

It is an unprimeable number.

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, 4823 + ... + 5325.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^2552222 is an apocalyptic number.

2552222 is a deficient number, since it is larger than the sum of its proper divisors (1439458).

2552222 is a wasteful number, since it uses less digits than its factorization.

2552222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607.

The product of its digits is 800, while the sum is 20.

The square root of 2552222 is about 1597.5675259594. The cubic root of 2552222 is about 136.6593915091.

Adding to 2552222 its reverse (2222552), we get a palindrome (4774774).

The spelling of 2552222 in words is "two million, five hundred fifty-two thousand, two hundred twenty-two".