221234332204 has 24 divisors (see below), whose sum is σ = 400644518400. Its totient is φ = 106767024000.

The previous prime is 221234332181. The next prime is 221234332211. The reversal of 221234332204 is 402233432122.

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 7 ways as a sum of consecutive naturals, for example, 30357 + ... + 665875.

It is an arithmetic number, because the mean of its divisors is an integer number (16693521600).

Almost surely, 2^221234332204 is an apocalyptic number.

It is an amenable number.

221234332204 is a deficient number, since it is larger than the sum of its proper divisors (179410186196).

221234332204 is a wasteful number, since it uses less digits than its factorization.

221234332204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638553 (or 638551 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 221234332204 its reverse (402233432122), we get a palindrome (623467764326).

The spelling of 221234332204 in words is "two hundred twenty-one billion, two hundred thirty-four million, three hundred thirty-two thousand, two hundred four".