18281422216274 has 16 divisors (see below), whose sum is σ = 32989032571200. Its totient is φ = 7422532328304.

The previous prime is 18281422216273. The next prime is 18281422216289. The reversal of 18281422216274 is 47261222418281.

It is not an unprimeable number, because it can be changed into a prime (18281422216273) 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, 34363575329 + ... + 34363575860.

It is an arithmetic number, because the mean of its divisors is an integer number (2061814535700).

Almost surely, 2^{18281422216274} is an apocalyptic number.

18281422216274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18281422216274 is a deficient number, since it is larger than the sum of its proper divisors (14707610354926).

18281422216274 is a wasteful number, since it uses less digits than its factorization.

18281422216274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68727151217.

The product of its digits is 1376256, while the sum is 50.

The spelling of 18281422216274 in words is "eighteen trillion, two hundred eighty-one billion, four hundred twenty-two million, two hundred sixteen thousand, two hundred seventy-four".