2492218 has 8 divisors (see below), whose sum is σ = 3762612. Its totient is φ = 1238016.

The previous prime is 2492201. The next prime is 2492227. The reversal of 2492218 is 8122942.

It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 142129 = 1533^2 + 377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2492218² = 12422301119048, which contains 22 as substring.

It is an Ulam number.

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, 3655 + ... + 4282.

2^2492218 is an apocalyptic number.

2492218 is a deficient number, since it is larger than the sum of its proper divisors (1270394).

2492218 is a wasteful number, since it uses less digits than its factorization.

2492218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096.

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

The square root of 2492218 is about 1578.6760275623. The cubic root of 2492218 is about 135.5799104716.

The spelling of 2492218 in words is "two million, four hundred ninety-two thousand, two hundred eighteen".