221202032230 has 16 divisors (see below), whose sum is σ = 398374472160. Its totient is φ = 88433965312.

The previous prime is 221202032221. The next prime is 221202032243. The reversal of 221202032230 is 32230202122.

It is a junction number, because it is equal to n+sod(n) for n = 221202032198 and 221202032207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5836114 + ... + 5873893.

It is an arithmetic number, because the mean of its divisors is an integer number (24898404510).

Almost surely, 2^221202032230 is an apocalyptic number.

221202032230 is a deficient number, since it is larger than the sum of its proper divisors (177172439930).

221202032230 is a wasteful number, since it uses less digits than its factorization.

221202032230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711903.

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

Adding to 221202032230 its reverse (32230202122), we get a palindrome (253432234352).

The spelling of 221202032230 in words is "two hundred twenty-one billion, two hundred two million, thirty-two thousand, two hundred thirty".