11218898 has 4 divisors (see below), whose sum is σ = 16828350. Its totient is φ = 5609448.

The previous prime is 11218849. The next prime is 11218903. The reversal of 11218898 is 89881211.

It is a happy number.

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., 5822569 + 5396329 = 2413^2 + 2323^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2804723 + ... + 2804726.

Almost surely, 2^11218898 is an apocalyptic number.

11218898 is a deficient number, since it is larger than the sum of its proper divisors (5609452).

11218898 is an equidigital number, since it uses as much as digits as its factorization.

11218898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609451.

The product of its digits is 9216, while the sum is 38.

The square root of 11218898 is about 3349.4623449145. The cubic root of 11218898 is about 223.8635568938.

The spelling of 11218898 in words is "eleven million, two hundred eighteen thousand, eight hundred ninety-eight".