10000221222 has 8 divisors (see below), whose sum is σ = 20000442456. Its totient is φ = 3333407072.

The previous prime is 10000221199. The next prime is 10000221251. The reversal of 10000221222 is 22212200001.

It is a sphenic number, since it is the product of 3 distinct primes.

10000221222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 10000221198 and 10000221207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833351763 + ... + 833351774.

It is an arithmetic number, because the mean of its divisors is an integer number (2500055307).

Almost surely, 2^10000221222 is an apocalyptic number.

10000221222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10000221222 is a wasteful number, since it uses less digits than its factorization.

10000221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666703542.

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

Adding to 10000221222 its reverse (22212200001), we get a palindrome (32212421223).

The spelling of 10000221222 in words is "ten billion, two hundred twenty-one thousand, two hundred twenty-two".