222001221210222 has 16 divisors (see below), whose sum is σ = 467370992021760. Its totient is φ = 70105648803192.

The previous prime is 222001221210211. The next prime is 222001221210257. The reversal of 222001221210222 is 222012122100222.

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, 973689566598 + ... + 973689566825.

It is an arithmetic number, because the mean of its divisors is an integer number (29210687001360).

Almost surely, 2^{222001221210222} is an apocalyptic number.

222001221210222 is an abundant number, since it is smaller than the sum of its proper divisors (245369770811538).

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

222001221210222 is a wasteful number, since it uses less digits than its factorization.

222001221210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947379133447.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222001221210222 its reverse (222012122100222), we get a palindrome (444013343310444).

The spelling of 222001221210222 in words is "two hundred twenty-two trillion, one billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-two".