2117222 has 8 divisors (see below), whose sum is σ = 3200472. Its totient is φ = 1050400.

The previous prime is 2117179. The next prime is 2117233. The reversal of 2117222 is 2227112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2117222.

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, 3779 + ... + 4302.

It is an arithmetic number, because the mean of its divisors is an integer number (400059).

2^2117222 is an apocalyptic number.

2117222 is a deficient number, since it is larger than the sum of its proper divisors (1083250).

2117222 is a wasteful number, since it uses less digits than its factorization.

2117222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214.

The product of its digits is 112, while the sum is 17.

The square root of 2117222 is about 1455.0676960197. The cubic root of 2117222 is about 128.4070295029.

The spelling of 2117222 in words is "two million, one hundred seventeen thousand, two hundred twenty-two".