10002201222 has 64 divisors (see below), whose sum is σ = 22513720320. Its totient is φ = 2939359104.

The previous prime is 10002201221. The next prime is 10002201227. The reversal of 10002201222 is 22210220001.

It is a junction number, because it is equal to n+sod(n) for n = 10002201198 and 10002201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002201221) 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, 1300404 + ... + 1308072.

It is an arithmetic number, because the mean of its divisors is an integer number (351776880).

Almost surely, 2^10002201222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10002201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11256860160).

10002201222 is an abundant number, since it is smaller than the sum of its proper divisors (12511519098).

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

10002201222 is a wasteful number, since it uses less digits than its factorization.

10002201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437.

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

Adding to 10002201222 its reverse (22210220001), we get a palindrome (32212421223).

The spelling of 10002201222 in words is "ten billion, two million, two hundred one thousand, two hundred twenty-two".