18222022022 has 32 divisors (see below), whose sum is σ = 29219097600. Its totient is φ = 8508195360.

The previous prime is 18222022019. The next prime is 18222022043. The reversal of 18222022022 is 22022022281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180104 + ... + 262452.

It is an arithmetic number, because the mean of its divisors is an integer number (913096800).

Almost surely, 2^18222022022 is an apocalyptic number.

18222022022 is a deficient number, since it is larger than the sum of its proper divisors (10997075578).

18222022022 is a wasteful number, since it uses less digits than its factorization.

18222022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82508.

The product of its (nonzero) digits is 1024, while the sum is 23.

It can be divided in two parts, 182 and 22022022, that multiplied together give a palindrome (4008008004).

The spelling of 18222022022 in words is "eighteen billion, two hundred twenty-two million, twenty-two thousand, twenty-two".