18022960 has 20 divisors (see below), whose sum is σ = 41903568. Its totient is φ = 7209152.

The previous prime is 18022957. The next prime is 18022969. The reversal of 18022960 is 6922081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (18022969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112564 + ... + 112723.

Almost surely, 2^18022960 is an apocalyptic number.

18022960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18022960 is an abundant number, since it is smaller than the sum of its proper divisors (23880608).

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

18022960 is a wasteful number, since it uses less digits than its factorization.

18022960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225300 (or 225294 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 18022960 is about 4245.3456867492. The cubic root of 18022960 is about 262.1855221175.

The spelling of 18022960 in words is "eighteen million, twenty-two thousand, nine hundred sixty".