222001122202222 has 16 divisors (see below), whose sum is σ = 363274863396912. Its totient is φ = 100909517725120.

The previous prime is 222001122202127. The next prime is 222001122202351. The reversal of 222001122202222 is 222202221100222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222001122202193 and 222001122202202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28954248 + ... + 35809924.

It is an arithmetic number, because the mean of its divisors is an integer number (22704678962307).

Almost surely, 2^{222001122202222} is an apocalyptic number.

222001122202222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222001122202222 is a deficient number, since it is larger than the sum of its proper divisors (141273741194690).

222001122202222 is a wasteful number, since it uses less digits than its factorization.

222001122202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327603.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222001122202222 its reverse (222202221100222), we get a palindrome (444203343302444).

The spelling of 222001122202222 in words is "two hundred twenty-two trillion, one billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-two".