220100221222 has 64 divisors (see below), whose sum is σ = 382647214080. Its totient is φ = 93008001024.

The previous prime is 220100221219. The next prime is 220100221223. The reversal of 220100221222 is 222122001022.

It is a junction number, because it is equal to n+sod(n) for n = 220100221196 and 220100221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100221223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223906143 + ... + 223907125.

It is an arithmetic number, because the mean of its divisors is an integer number (5978862720).

Almost surely, 2^220100221222 is an apocalyptic number.

220100221222 is a deficient number, since it is larger than the sum of its proper divisors (162546992858).

220100221222 is a wasteful number, since it uses less digits than its factorization.

220100221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

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

Adding to 220100221222 its reverse (222122001022), we get a palindrome (442222222244).

The spelling of 220100221222 in words is "two hundred twenty billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-two".