221222102202 has 24 divisors (see below), whose sum is σ = 481586196000. Its totient is φ = 73391217480.

The previous prime is 221222102201. The next prime is 221222102219. The reversal of 221222102202 is 202201222122.

221222102202 is a `hidden beast` number, since 221 + 2 + 221 + 0 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (221222102201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29119702 + ... + 29127297.

It is an arithmetic number, because the mean of its divisors is an integer number (20066091500).

Almost surely, 2^221222102202 is an apocalyptic number.

221222102202 is an abundant number, since it is smaller than the sum of its proper divisors (260364093798).

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

221222102202 is a wasteful number, since it uses less digits than its factorization.

221222102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58247218 (or 58247215 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 221222102202 its reverse (202201222122), we get a palindrome (423423324324).

The spelling of 221222102202 in words is "two hundred twenty-one billion, two hundred twenty-two million, one hundred two thousand, two hundred two".