222021100210222 has 4 divisors (see below), whose sum is σ = 333031650315336. Its totient is φ = 111010550105110.

The previous prime is 222021100210219. The next prime is 222021100210289. The reversal of 222021100210222 is 222012001120222.

222021100210222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222021100210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505275052554 + ... + 55505275052557.

It is an arithmetic number, because the mean of its divisors is an integer number (83257912578834).

Almost surely, 2^{222021100210222} is an apocalyptic number.

222021100210222 is a deficient number, since it is larger than the sum of its proper divisors (111010550105114).

222021100210222 is a wasteful number, since it uses less digits than its factorization.

222021100210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010550105113.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222021100210222 its reverse (222012001120222), we get a palindrome (444033101330444).

The spelling of 222021100210222 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred million, two hundred ten thousand, two hundred twenty-two".