2218292 has 6 divisors (see below), whose sum is σ = 3882018. Its totient is φ = 1109144.

The previous prime is 2218289. The next prime is 2218319. The reversal of 2218292 is 2928122.

It can be written as a sum of positive squares in only one way, i.e., 1705636 + 512656 = 1306^2 + 716^2 .

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, 277283 + ... + 277290.

It is an arithmetic number, because the mean of its divisors is an integer number (647003).

2^2218292 is an apocalyptic number.

It is an amenable number.

2218292 is a deficient number, since it is larger than the sum of its proper divisors (1663726).

2218292 is a wasteful number, since it uses less digits than its factorization.

2218292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554577 (or 554575 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 2218292 is about 1489.3931650172. The cubic root of 2218292 is about 130.4186111417.

The spelling of 2218292 in words is "two million, two hundred eighteen thousand, two hundred ninety-two".