18462222798 has 16 divisors (see below), whose sum is σ = 36942830976. Its totient is φ = 6151010040.

The previous prime is 18462222767. The next prime is 18462222827. The reversal of 18462222798 is 89722226481.

It is a self number, because there is not a number n which added to its sum of digits gives 18462222798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752986 + ... + 777117.

It is an arithmetic number, because the mean of its divisors is an integer number (2308926936).

Almost surely, 2^18462222798 is an apocalyptic number.

18462222798 is an abundant number, since it is smaller than the sum of its proper divisors (18480608178).

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

18462222798 is a wasteful number, since it uses less digits than its factorization.

18462222798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532119.

The product of its digits is 1548288, while the sum is 51.

The spelling of 18462222798 in words is "eighteen billion, four hundred sixty-two million, two hundred twenty-two thousand, seven hundred ninety-eight".