11144218 has 4 divisors (see below), whose sum is σ = 16716330. Its totient is φ = 5572108.

The previous prime is 11144209. The next prime is 11144219. The reversal of 11144218 is 81244111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81244111 = 13 ⋅6249547.

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 8649 = 3337^2 + 93^2 .

It is not an unprimeable number, because it can be changed into a prime (11144219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786053 + ... + 2786056.

Almost surely, 2^11144218 is an apocalyptic number.

11144218 is a deficient number, since it is larger than the sum of its proper divisors (5572112).

11144218 is an equidigital number, since it uses as much as digits as its factorization.

11144218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572111.

The product of its digits is 256, while the sum is 22.

The square root of 11144218 is about 3338.2956729445. The cubic root of 11144218 is about 223.3657253579.

Adding to 11144218 its reverse (81244111), we get a palindrome (92388329).

The spelling of 11144218 in words is "eleven million, one hundred forty-four thousand, two hundred eighteen".