220011031222 has 16 divisors (see below), whose sum is σ = 349527329712. Its totient is φ = 103505552640.

The previous prime is 220011031193. The next prime is 220011031243. The reversal of 220011031222 is 222130110022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220011031196 and 220011031205.

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, 784623 + ... + 1027450.

It is an arithmetic number, because the mean of its divisors is an integer number (21845458107).

Almost surely, 2^220011031222 is an apocalyptic number.

220011031222 is a deficient number, since it is larger than the sum of its proper divisors (129516298490).

220011031222 is a wasteful number, since it uses less digits than its factorization.

220011031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815663.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220011031222 its reverse (222130110022), we get a palindrome (442141141244).

The spelling of 220011031222 in words is "two hundred twenty billion, eleven million, thirty-one thousand, two hundred twenty-two".