18582201822 has 16 divisors (see below), whose sum is σ = 37187636112. Its totient is φ = 6190195200.

The previous prime is 18582201817. The next prime is 18582201829. The reversal of 18582201822 is 22810228581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18582201829) 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, 957613 + ... + 976824.

It is an arithmetic number, because the mean of its divisors is an integer number (2324227257).

Almost surely, 2^18582201822 is an apocalyptic number.

18582201822 is an abundant number, since it is smaller than the sum of its proper divisors (18605434290).

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

18582201822 is a wasteful number, since it uses less digits than its factorization.

18582201822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936043.

The product of its (nonzero) digits is 40960, while the sum is 39.

The spelling of 18582201822 in words is "eighteen billion, five hundred eighty-two million, two hundred one thousand, eight hundred twenty-two".