11418219 has 8 divisors (see below), whose sum is σ = 16915920. Its totient is φ = 7612128.

The previous prime is 11418193. The next prime is 11418229. The reversal of 11418219 is 91281411.

It is not a de Polignac number, because 11418219 - 2⁸ = 11417963 is a prime.

It is a super-2 number, since 2×11418219² = 260751450263922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 422897 = 11418219 / (1 + 1 + 4 + 1 + 8 + 2 + 1 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 11418192 and 11418201.

It is not an unprimeable number, because it can be changed into a prime (11418229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211422 + ... + 211475.

It is an arithmetic number, because the mean of its divisors is an integer number (2114490).

Almost surely, 2^11418219 is an apocalyptic number.

11418219 is a deficient number, since it is larger than the sum of its proper divisors (5497701).

11418219 is an equidigital number, since it uses as much as digits as its factorization.

11418219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422906 (or 422900 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 11418219 is about 3379.0855271804. The cubic root of 11418219 is about 225.1815423711.

The spelling of 11418219 in words is "eleven million, four hundred eighteen thousand, two hundred nineteen".