10001220222 has 16 divisors (see below), whose sum is σ = 22859932032. Its totient is φ = 2857491480.

The previous prime is 10001220197. The next prime is 10001220223. The reversal of 10001220222 is 22202210001.

It is a super-3 number, since 3×10001220222³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001220198 and 10001220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001220223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119062104 + ... + 119062187.

It is an arithmetic number, because the mean of its divisors is an integer number (1428745752).

Almost surely, 2^10001220222 is an apocalyptic number.

10001220222 is an abundant number, since it is smaller than the sum of its proper divisors (12858711810).

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

10001220222 is a wasteful number, since it uses less digits than its factorization.

10001220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238124303.

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

Adding to 10001220222 its reverse (22202210001), we get a palindrome (32203430223).

The spelling of 10001220222 in words is "ten billion, one million, two hundred twenty thousand, two hundred twenty-two".