212222202210022 has 4 divisors (see below), whose sum is σ = 318333303315036. Its totient is φ = 106111101105010.

The previous prime is 212222202210017. The next prime is 212222202210047. The reversal of 212222202210022 is 220012202222212.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×212222202210022⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 212222202209975 and 212222202210002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53055550552504 + ... + 53055550552507.

It is an arithmetic number, because the mean of its divisors is an integer number (79583325828759).

Almost surely, 2^{212222202210022} is an apocalyptic number.

212222202210022 is a deficient number, since it is larger than the sum of its proper divisors (106111101105014).

212222202210022 is a wasteful number, since it uses less digits than its factorization.

212222202210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106111101105013.

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

Adding to 212222202210022 its reverse (220012202222212), we get a palindrome (432234404432234).

The spelling of 212222202210022 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred two million, two hundred ten thousand, twenty-two".