2798222 has 8 divisors (see below), whose sum is σ = 4796976. Its totient is φ = 1199232.

The previous prime is 2798207. The next prime is 2798233. The reversal of 2798222 is 2228972.

2798222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2798222² = 15660092722568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2² + 7⁶ + 9⁵ + 8² + 2⁴ + 2¹⁹ + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99923 + ... + 99950.

It is an arithmetic number, because the mean of its divisors is an integer number (599622).

2^2798222 is an apocalyptic number.

2798222 is a deficient number, since it is larger than the sum of its proper divisors (1998754).

2798222 is a wasteful number, since it uses less digits than its factorization.

2798222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199882.

The product of its digits is 8064, while the sum is 32.

The square root of 2798222 is about 1672.7886895840. The cubic root of 2798222 is about 140.9161347597.

The spelling of 2798222 in words is "two million, seven hundred ninety-eight thousand, two hundred twenty-two".