2056222 has 16 divisors (see below), whose sum is σ = 3547872. Its totient is φ = 875520.

The previous prime is 2056211. The next prime is 2056247. The reversal of 2056222 is 2226502.

It is a self number, because there is not a number n which added to its sum of digits gives 2056222.

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 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (221742).

2^2056222 is an apocalyptic number.

2056222 is a deficient number, since it is larger than the sum of its proper divisors (1491650).

2056222 is a wasteful number, since it uses less digits than its factorization.

2056222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2056222 is about 1433.9532767841. The cubic root of 2056222 is about 127.1618001005.

It can be divided in two parts, 2056 and 222, that added together give a triangular number (2278 = T₆₇).

The spelling of 2056222 in words is "two million, fifty-six thousand, two hundred twenty-two".