2218492 has 12 divisors (see below), whose sum is σ = 3909136. Its totient is φ = 1101600.

The previous prime is 2218451. The next prime is 2218519. The reversal of 2218492 is 2948122.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2218492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233 + ... + 2440.

2^2218492 is an apocalyptic number.

It is an amenable number.

2218492 is a deficient number, since it is larger than the sum of its proper divisors (1690644).

2218492 is a wasteful number, since it uses less digits than its factorization.

2218492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828 (or 3826 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2218492 is about 1489.4603049427. The cubic root of 2218492 is about 130.4225305142.

The spelling of 2218492 in words is "two million, two hundred eighteen thousand, four hundred ninety-two".