18460225 has 24 divisors (see below), whose sum is σ = 26877248. Its totient is φ = 12312000.

The previous prime is 18460223. The next prime is 18460231. The reversal of 18460225 is 52206481.

It is not a de Polignac number, because 18460225 - 2¹ = 18460223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18460193 and 18460202.

It is not an unprimeable number, because it can be changed into a prime (18460223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5050 + ... + 7900.

Almost surely, 2^18460225 is an apocalyptic number.

It is an amenable number.

18460225 is a deficient number, since it is larger than the sum of its proper divisors (8417023).

18460225 is a wasteful number, since it uses less digits than its factorization.

18460225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 18460225 is about 4296.5363957495. The cubic root of 18460225 is about 264.2889446195.

The spelling of 18460225 in words is "eighteen million, four hundred sixty thousand, two hundred twenty-five".