1818382222182 has 16 divisors (see below), whose sum is σ = 3664526006592. Its totient is φ = 601500480360.

The previous prime is 1818382222169. The next prime is 1818382222183. The reversal of 1818382222182 is 2812222838181.

It is a super-2 number, since 2×1818382222182² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818382222183) 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, 1156730908 + ... + 1156732479.

It is an arithmetic number, because the mean of its divisors is an integer number (229032875412).

Almost surely, 2^{1818382222182} is an apocalyptic number.

1818382222182 is an abundant number, since it is smaller than the sum of its proper divisors (1846143784410).

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

1818382222182 is a wasteful number, since it uses less digits than its factorization.

1818382222182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313463523.

The product of its digits is 393216, while the sum is 48.

The spelling of 1818382222182 in words is "one trillion, eight hundred eighteen billion, three hundred eighty-two million, two hundred twenty-two thousand, one hundred eighty-two".