221133332230 has 32 divisors (see below), whose sum is σ = 402880552704. Its totient is φ = 87384155616.

The previous prime is 221133332213. The next prime is 221133332237. The reversal of 221133332230 is 32233331122.

It is a junction number, because it is equal to n+sod(n) for n = 221133332195 and 221133332204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133332237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133972 + ... + 678391.

It is an arithmetic number, because the mean of its divisors is an integer number (12590017272).

Almost surely, 2^221133332230 is an apocalyptic number.

221133332230 is a deficient number, since it is larger than the sum of its proper divisors (181747220474).

221133332230 is a wasteful number, since it uses less digits than its factorization.

221133332230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812700.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 221133332230 its reverse (32233331122), we get a palindrome (253366663352).

The spelling of 221133332230 in words is "two hundred twenty-one billion, one hundred thirty-three million, three hundred thirty-two thousand, two hundred thirty".