221232430433 has 8 divisors (see below), whose sum is σ = 252842679168. Its totient is φ = 189623585664.

The previous prime is 221232430421. The next prime is 221232430457. The reversal of 221232430433 is 334034232122.

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

It is a cyclic number.

It is not a de Polignac number, because 221232430433 - 2¹⁰ = 221232429409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221232430396 and 221232430405.

It is not an unprimeable number, because it can be changed into a prime (221232430733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11660 + ... + 665282.

It is an arithmetic number, because the mean of its divisors is an integer number (31605334896).

Almost surely, 2^221232430433 is an apocalyptic number.

It is an amenable number.

221232430433 is a deficient number, since it is larger than the sum of its proper divisors (31610248735).

221232430433 is an equidigital number, since it uses as much as digits as its factorization.

221232430433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701983.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 221232430433 its reverse (334034232122), we get a palindrome (555266662555).

The spelling of 221232430433 in words is "two hundred twenty-one billion, two hundred thirty-two million, four hundred thirty thousand, four hundred thirty-three".