222221210222 has 16 divisors (see below), whose sum is σ = 363661311744. Its totient is φ = 101002251000.

The previous prime is 222221210207. The next prime is 222221210231. The reversal of 222221210222 is 222012122222.

It is a junction number, because it is equal to n+sod(n) for n = 222221210194 and 222221210203.

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, 56054 + ... + 669017.

It is an arithmetic number, because the mean of its divisors is an integer number (22728831984).

Almost surely, 2^222221210222 is an apocalyptic number.

222221210222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222221210222 is a deficient number, since it is larger than the sum of its proper divisors (141440101522).

222221210222 is a wasteful number, since it uses less digits than its factorization.

222221210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739015.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222221210222 its reverse (222012122222), we get a palindrome (444233332444).

The spelling of 222221210222 in words is "two hundred twenty-two billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-two".