18200210221222 has 8 divisors (see below), whose sum is σ = 27312221276496. Its totient is φ = 9096136462392.

The previous prime is 18200210221169. The next prime is 18200210221229. The reversal of 18200210221222 is 22212201200281.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18200210221229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984318378 + ... + 1984327549.

It is an arithmetic number, because the mean of its divisors is an integer number (3414027659562).

Almost surely, 2^{18200210221222} is an apocalyptic number.

18200210221222 is a deficient number, since it is larger than the sum of its proper divisors (9112011055274).

18200210221222 is a wasteful number, since it uses less digits than its factorization.

18200210221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968648222.

The product of its (nonzero) digits is 1024, while the sum is 25.

The spelling of 18200210221222 in words is "eighteen trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".