18249119 has 12 divisors (see below), whose sum is σ = 21632184. Its totient is φ = 15344784.

The previous prime is 18249083. The next prime is 18249131. The reversal of 18249119 is 91194281.

It is not a de Polignac number, because 18249119 - 2¹² = 18245023 is a prime.

It is a super-2 number, since 2×18249119² = 666060688552322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18249199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917 + ... + 6110.

It is an arithmetic number, because the mean of its divisors is an integer number (1802682).

Almost surely, 2^18249119 is an apocalyptic number.

18249119 is a deficient number, since it is larger than the sum of its proper divisors (3383065).

18249119 is an equidigital number, since it uses as much as digits as its factorization.

18249119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094 (or 7087 counting only the distinct ones).

The product of its digits is 5184, while the sum is 35.

The square root of 18249119 is about 4271.8987581636. The cubic root of 18249119 is about 263.2776347864.

The spelling of 18249119 in words is "eighteen million, two hundred forty-nine thousand, one hundred nineteen".