2218022 has 8 divisors (see below), whose sum is σ = 3502200. Its totient is φ = 1050624.

The previous prime is 2218001. The next prime is 2218037. The reversal of 2218022 is 2208122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29147 + ... + 29222.

It is an arithmetic number, because the mean of its divisors is an integer number (437775).

2^2218022 is an apocalyptic number.

2218022 is a deficient number, since it is larger than the sum of its proper divisors (1284178).

2218022 is a wasteful number, since it uses less digits than its factorization.

2218022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58390.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2218022 is about 1489.3025213166. The cubic root of 2218022 is about 130.4133196150.

The spelling of 2218022 in words is "two million, two hundred eighteen thousand, twenty-two".