18225760 has 48 divisors (see below), whose sum is σ = 49212576. Its totient is φ = 6248448.

The previous prime is 18225733. The next prime is 18225761. The reversal of 18225760 is 6752281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18225761) 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, 7017 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (1025262).

Almost surely, 2^18225760 is an apocalyptic number.

18225760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18225760 is an abundant number, since it is smaller than the sum of its proper divisors (30986816).

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

18225760 is a wasteful number, since it uses less digits than its factorization.

18225760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16295 (or 16287 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 18225760 is about 4269.1638525594. The cubic root of 18225760 is about 263.1652544187.

The spelling of 18225760 in words is "eighteen million, two hundred twenty-five thousand, seven hundred sixty".