221200232302 has 16 divisors (see below), whose sum is σ = 383109683040. Its totient is φ = 93822778368.

The previous prime is 221200232299. The next prime is 221200232321. The reversal of 221200232302 is 203232002122.

It is a self number, because there is not a number n which added to its sum of digits gives 221200232302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81442027 + ... + 81444742.

It is an arithmetic number, because the mean of its divisors is an integer number (23944355190).

Almost surely, 2^221200232302 is an apocalyptic number.

221200232302 is a deficient number, since it is larger than the sum of its proper divisors (161909450738).

221200232302 is a wasteful number, since it uses less digits than its factorization.

221200232302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162886875.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 221200232302 its reverse (203232002122), we get a palindrome (424432234424).

The spelling of 221200232302 in words is "two hundred twenty-one billion, two hundred million, two hundred thirty-two thousand, three hundred two".