18088233322 has 4 divisors (see below), whose sum is σ = 27132349986. Its totient is φ = 9044116660.

The previous prime is 18088233299. The next prime is 18088233323. The reversal of 18088233322 is 22333288081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14115578481 + 3972654841 = 118809^2 + 63029^2 .

It is a super-2 number, since 2×18088233322² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18088233323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4522058329 + ... + 4522058332.

Almost surely, 2^18088233322 is an apocalyptic number.

18088233322 is a deficient number, since it is larger than the sum of its proper divisors (9044116664).

18088233322 is an equidigital number, since it uses as much as digits as its factorization.

18088233322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044116663.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 18088233322 in words is "eighteen billion, eighty-eight million, two hundred thirty-three thousand, three hundred twenty-two".