18225662182 has 32 divisors (see below), whose sum is σ = 35418297600. Its totient is φ = 6830669088.

The previous prime is 18225662171. The next prime is 18225662233. The reversal of 18225662182 is 28126652281.

It is a super-2 number, since 2×18225662182² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2631832 + ... + 2638747.

It is an arithmetic number, because the mean of its divisors is an integer number (1106821800).

Almost surely, 2^18225662182 is an apocalyptic number.

18225662182 is a deficient number, since it is larger than the sum of its proper divisors (17192635418).

18225662182 is a wasteful number, since it uses less digits than its factorization.

18225662182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270620.

The product of its digits is 184320, while the sum is 43.

Subtracting 18225662182 from its reverse (28126652281), we obtain a palindrome (9900990099).

The spelling of 18225662182 in words is "eighteen billion, two hundred twenty-five million, six hundred sixty-two thousand, one hundred eighty-two".