220031213222 has 16 divisors (see below), whose sum is σ = 332760219792. Its totient is φ = 109114400160.

The previous prime is 220031213219. The next prime is 220031213251. The reversal of 220031213222 is 222312130022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220031213194 and 220031213203.

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, 679748 + ... + 949799.

It is an arithmetic number, because the mean of its divisors is an integer number (20797513737).

Almost surely, 2^220031213222 is an apocalyptic number.

220031213222 is a deficient number, since it is larger than the sum of its proper divisors (112729006570).

220031213222 is a wasteful number, since it uses less digits than its factorization.

220031213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630103.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220031213222 its reverse (222312130022), we get a palindrome (442343343244).

The spelling of 220031213222 in words is "two hundred twenty billion, thirty-one million, two hundred thirteen thousand, two hundred twenty-two".