10221000222 has 64 divisors (see below), whose sum is σ = 21594180096. Its totient is φ = 3218793600.

The previous prime is 10221000203. The next prime is 10221000227. The reversal of 10221000222 is 22200012201.

It is a junction number, because it is equal to n+sod(n) for n = 10221000198 and 10221000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221000227) 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, 9100953 + ... + 9102075.

It is an arithmetic number, because the mean of its divisors is an integer number (337409064).

Almost surely, 2^10221000222 is an apocalyptic number.

10221000222 is an abundant number, since it is smaller than the sum of its proper divisors (11373179874).

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

10221000222 is a wasteful number, since it uses less digits than its factorization.

10221000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905.

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

Adding to 10221000222 its reverse (22200012201), we get a palindrome (32421012423).

The spelling of 10221000222 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.