18222220022 has 8 divisors (see below), whose sum is σ = 27352408536. Its totient is φ = 9104750512.

The previous prime is 18222220013. The next prime is 18222220039. The reversal of 18222220022 is 22002222281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18222220022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176168 + ... + 3181899.

It is an arithmetic number, because the mean of its divisors is an integer number (3419051067).

Almost surely, 2^18222220022 is an apocalyptic number.

18222220022 is a deficient number, since it is larger than the sum of its proper divisors (9130188514).

18222220022 is a wasteful number, since it uses less digits than its factorization.

18222220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359502.

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

The spelling of 18222220022 in words is "eighteen billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".