220012012222 has 4 divisors (see below), whose sum is σ = 330018018336. Its totient is φ = 110006006110.

The previous prime is 220012012183. The next prime is 220012012243. The reversal of 220012012222 is 222210210022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222210210022 = 2 ⋅111105105011.

It is a junction number, because it is equal to n+sod(n) for n = 220012012196 and 220012012205.

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 as a sum of consecutive naturals, namely, 55003003054 + ... + 55003003057.

It is an arithmetic number, because the mean of its divisors is an integer number (82504504584).

Almost surely, 2^220012012222 is an apocalyptic number.

220012012222 is a deficient number, since it is larger than the sum of its proper divisors (110006006114).

220012012222 is a wasteful number, since it uses less digits than its factorization.

220012012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110006006113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220012012222 its reverse (222210210022), we get a palindrome (442222222244).

The spelling of 220012012222 in words is "two hundred twenty billion, twelve million, twelve thousand, two hundred twenty-two".