221222212201222 has 8 divisors (see below), whose sum is σ = 334030889946672. Its totient is φ = 109878582219000.

The previous prime is 221222212201187. The next prime is 221222212201247. The reversal of 221222212201222 is 222102212222122.

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

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, 366261940429 + ... + 366261941032.

It is an arithmetic number, because the mean of its divisors is an integer number (41753861243334).

Almost surely, 2^{221222212201222} is an apocalyptic number.

221222212201222 is a deficient number, since it is larger than the sum of its proper divisors (112808677745450).

221222212201222 is a wasteful number, since it uses less digits than its factorization.

221222212201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732523881614.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 221222212201222 its reverse (222102212222122), we get a palindrome (443324424423344).

The spelling of 221222212201222 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred one thousand, two hundred twenty-two".