2213874 has 24 divisors (see below), whose sum is σ = 5166252. Its totient is φ = 681120.

The previous prime is 2213867. The next prime is 2213891. The reversal of 2213874 is 4783122.

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 8649 = 1485^2 + 93^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4497 + ... + 4964.

2^2213874 is an apocalyptic number.

2213874 is an abundant number, since it is smaller than the sum of its proper divisors (2952378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213874 is a wasteful number, since it uses less digits than its factorization.

2213874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482 (or 9479 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2213874 is about 1487.9092714275. The cubic root of 2213874 is about 130.3319720570.

Adding to 2213874 its reverse (4783122), we get a palindrome (6996996).

It can be divided in two parts, 221 and 3874, that added together give a triangular number (4095 = T₉₀).

The spelling of 2213874 in words is "two million, two hundred thirteen thousand, eight hundred seventy-four".