221222000202 has 24 divisors (see below), whose sum is σ = 514679756256. Its totient is φ = 63206285688.

The previous prime is 221222000183. The next prime is 221222000227. The reversal of 221222000202 is 202000222122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376227598 + ... + 376228185.

It is an arithmetic number, because the mean of its divisors is an integer number (21444989844).

Almost surely, 2^221222000202 is an apocalyptic number.

221222000202 is an abundant number, since it is smaller than the sum of its proper divisors (293457756054).

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

221222000202 is a wasteful number, since it uses less digits than its factorization.

221222000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752455802 (or 752455795 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 221222000202 its reverse (202000222122), we get a palindrome (423222222324).

The spelling of 221222000202 in words is "two hundred twenty-one billion, two hundred twenty-two million, two hundred two", and thus it is an aban number.