18225182000 has 40 divisors (see below), whose sum is σ = 44068494912. Its totient is φ = 7290072000.

The previous prime is 18225181987. The next prime is 18225182009. The reversal of 18225182000 is 28152281.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (18225182009) 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, 4554296 + ... + 4558295.

Almost surely, 2^18225182000 is an apocalyptic number.

18225182000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18225182000 is an abundant number, since it is smaller than the sum of its proper divisors (25843312912).

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

18225182000 is an equidigital number, since it uses as much as digits as its factorization.

18225182000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112614 (or 9112598 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 18225182000 in words is "eighteen billion, two hundred twenty-five million, one hundred eighty-two thousand".