2218792 has 16 divisors (see below), whose sum is σ = 4239540. Its totient is φ = 1088256.

The previous prime is 2218771. The next prime is 2218807. The reversal of 2218792 is 2978122.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 352836 = 1366^2 + 594^2 .

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, 2193 + ... + 3040.

2^2218792 is an apocalyptic number.

It is an amenable number.

2218792 is a deficient number, since it is larger than the sum of its proper divisors (2020748).

2218792 is a wasteful number, since it uses less digits than its factorization.

2218792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292 (or 5288 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2218792 is about 1489.5610091567. The cubic root of 2218792 is about 130.4284091314.

The spelling of 2218792 in words is "two million, two hundred eighteen thousand, seven hundred ninety-two".