18124882 has 4 divisors (see below), whose sum is σ = 27187326. Its totient is φ = 9062440.

The previous prime is 18124877. The next prime is 18124889. The reversal of 18124882 is 28842181.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10883401 + 7241481 = 3299^2 + 2691^2 .

It is a super-2 number, since 2×18124882² = 657022695027848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18124889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4531219 + ... + 4531222.

Almost surely, 2^18124882 is an apocalyptic number.

18124882 is a deficient number, since it is larger than the sum of its proper divisors (9062444).

18124882 is an equidigital number, since it uses as much as digits as its factorization.

18124882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062443.

The product of its digits is 8192, while the sum is 34.

The square root of 18124882 is about 4257.3327330619. The cubic root of 18124882 is about 262.6788235789.

The spelling of 18124882 in words is "eighteen million, one hundred twenty-four thousand, eight hundred eighty-two".