2218498 has 4 divisors (see below), whose sum is σ = 3327750. Its totient is φ = 1109248.

The previous prime is 2218451. The next prime is 2218519. The reversal of 2218498 is 8948122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1912689 + 305809 = 1383^2 + 553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554623 + ... + 554626.

2^2218498 is an apocalyptic number.

2218498 is a deficient number, since it is larger than the sum of its proper divisors (1109252).

2218498 is a wasteful number, since it uses less digits than its factorization.

2218498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109251.

The product of its digits is 9216, while the sum is 34.

The square root of 2218498 is about 1489.4623190937. The cubic root of 2218498 is about 130.4226480918.

The spelling of 2218498 in words is "two million, two hundred eighteen thousand, four hundred ninety-eight".