2216974 has 4 divisors (see below), whose sum is σ = 3325464. Its totient is φ = 1108486.

The previous prime is 2216969. The next prime is 2216989. The reversal of 2216974 is 4796122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4796122 = 2 ⋅2398061.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554242 + ... + 554245.

It is an arithmetic number, because the mean of its divisors is an integer number (831366).

2^2216974 is an apocalyptic number.

2216974 is a deficient number, since it is larger than the sum of its proper divisors (1108490).

2216974 is a wasteful number, since it uses less digits than its factorization.

2216974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108489.

The product of its digits is 6048, while the sum is 31.

The square root of 2216974 is about 1488.9506371939. The cubic root of 2216974 is about 130.3927765831.

The spelling of 2216974 in words is "two million, two hundred sixteen thousand, nine hundred seventy-four".