18522714 has 32 divisors (see below), whose sum is σ = 42503040. Its totient is φ = 5271552.

The previous prime is 18522709. The next prime is 18522719. The reversal of 18522714 is 41722581.

It is an interprime number because it is at equal distance from previous prime (18522709) and next prime (18522719).

It is not an unprimeable number, because it can be changed into a prime (18522719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12442 + ... + 13850.

It is an arithmetic number, because the mean of its divisors is an integer number (1328220).

Almost surely, 2^18522714 is an apocalyptic number.

18522714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18522714 is an abundant number, since it is smaller than the sum of its proper divisors (23980326).

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

18522714 is a wasteful number, since it uses less digits than its factorization.

18522714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its digits is 4480, while the sum is 30.

The square root of 18522714 is about 4303.8022724098. The cubic root of 18522714 is about 264.5868202212.

The spelling of 18522714 in words is "eighteen million, five hundred twenty-two thousand, seven hundred fourteen".