18225314 has 4 divisors (see below), whose sum is σ = 27337974. Its totient is φ = 9112656.

The previous prime is 18225307. The next prime is 18225323. The reversal of 18225314 is 41352281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41352281 = 3169 ⋅13049.

It can be written as a sum of positive squares in only one way, i.e., 17783089 + 442225 = 4217^2 + 665^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556327 + ... + 4556330.

Almost surely, 2^18225314 is an apocalyptic number.

18225314 is a deficient number, since it is larger than the sum of its proper divisors (9112660).

18225314 is an equidigital number, since it uses as much as digits as its factorization.

18225314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112659.

The product of its digits is 1920, while the sum is 26.

The square root of 18225314 is about 4269.1116171869. Note that the first 3 decimals coincide. The cubic root of 18225314 is about 263.1631077746.

Adding to 18225314 its reverse (41352281), we get a palindrome (59577595).

The spelling of 18225314 in words is "eighteen million, two hundred twenty-five thousand, three hundred fourteen".