18225127 has 8 divisors (see below), whose sum is σ = 18893600. Its totient is φ = 17565984.

The previous prime is 18225091. The next prime is 18225133. The reversal of 18225127 is 72152281.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18225127 is a prime.

It is a super-2 number, since 2×18225127² = 664310508332258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18225095 and 18225104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18225157) 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, 1774 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (2361700).

Almost surely, 2^18225127 is an apocalyptic number.

18225127 is a deficient number, since it is larger than the sum of its proper divisors (668473).

18225127 is a wasteful number, since it uses less digits than its factorization.

18225127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665.

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

The square root of 18225127 is about 4269.0897156185. The cubic root of 18225127 is about 263.1622077139.

The spelling of 18225127 in words is "eighteen million, two hundred twenty-five thousand, one hundred twenty-seven".