18225348 has 12 divisors (see below), whose sum is σ = 42525840. Its totient is φ = 6075112.

The previous prime is 18225341. The next prime is 18225367. The reversal of 18225348 is 84352281.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×18225348² = 664326619442208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18225341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759378 + ... + 759401.

It is an arithmetic number, because the mean of its divisors is an integer number (3543820).

Almost surely, 2^18225348 is an apocalyptic number.

It is an amenable number.

18225348 is an abundant number, since it is smaller than the sum of its proper divisors (24300492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18225348 is a wasteful number, since it uses less digits than its factorization.

18225348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518786 (or 1518784 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 18225348 is about 4269.1155992781. The cubic root of 18225348 is about 263.1632714214.

The spelling of 18225348 in words is "eighteen million, two hundred twenty-five thousand, three hundred forty-eight".