220001010222 has 128 divisors (see below), whose sum is σ = 552669143040. Its totient is φ = 56926108800.

The previous prime is 220001010191. The next prime is 220001010233. The reversal of 220001010222 is 222010100022.

It is a junction number, because it is equal to n+sod(n) for n = 220001010198 and 220001010207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49425097 + ... + 49429547.

It is an arithmetic number, because the mean of its divisors is an integer number (4317727680).

Almost surely, 2^220001010222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220001010222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276334571520).

220001010222 is an abundant number, since it is smaller than the sum of its proper divisors (332668132818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220001010222 is a wasteful number, since it uses less digits than its factorization.

220001010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220001010222 its reverse (222010100022), we get a palindrome (442011110244).

The spelling of 220001010222 in words is "two hundred twenty billion, one million, ten thousand, two hundred twenty-two".