221222202202 has 8 divisors (see below), whose sum is σ = 338893586496. Its totient is φ = 108257673372.

The previous prime is 221222202049. The next prime is 221222202217. The reversal of 221222202202 is 202202222122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221222202202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176713748 + ... + 1176713935.

It is an arithmetic number, because the mean of its divisors is an integer number (42361698312).

Almost surely, 2^221222202202 is an apocalyptic number.

221222202202 is a deficient number, since it is larger than the sum of its proper divisors (117671384294).

221222202202 is a wasteful number, since it uses less digits than its factorization.

221222202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353427732.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 221222202202 its reverse (202202222122), we get a palindrome (423424424324).

The spelling of 221222202202 in words is "two hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, two hundred two".