18275122 has 8 divisors (see below), whose sum is σ = 27531036. Its totient is φ = 9098112.

The previous prime is 18275113. The next prime is 18275167. The reversal of 18275122 is 22157281.

It can be written as a sum of positive squares in 2 ways, for example, as 15992001 + 2283121 = 3999^2 + 1511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18275122² = 667960168229768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19143 + ... + 20074.

Almost surely, 2^18275122 is an apocalyptic number.

18275122 is a deficient number, since it is larger than the sum of its proper divisors (9255914).

18275122 is a wasteful number, since it uses less digits than its factorization.

18275122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39452.

The product of its digits is 2240, while the sum is 28.

The square root of 18275122 is about 4274.9411691858. The cubic root of 18275122 is about 263.4026227252.

The spelling of 18275122 in words is "eighteen million, two hundred seventy-five thousand, one hundred twenty-two".