222221112220222 has 8 divisors (see below), whose sum is σ = 337347712527336. Its totient is φ = 109771874711112.

The previous prime is 222221112220189. The next prime is 222221112220231. The reversal of 222221112220222 is 222022211122222.

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, 669340699293 + ... + 669340699624.

It is an arithmetic number, because the mean of its divisors is an integer number (42168464065917).

Almost surely, 2^{222221112220222} is an apocalyptic number.

222221112220222 is a deficient number, since it is larger than the sum of its proper divisors (115126600307114).

222221112220222 is a wasteful number, since it uses less digits than its factorization.

222221112220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338681399002.

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

Adding to 222221112220222 its reverse (222022211122222), we get a palindrome (444243323342444).

The spelling of 222221112220222 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-two".