221433432241 has 8 divisors (see below), whose sum is σ = 253243390464. Its totient is φ = 189667626720.

The previous prime is 221433432223. The next prime is 221433432257. The reversal of 221433432241 is 142234334122.

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 221433432241 - 2⁷ = 221433432113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221433432271) 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, 11027425 + ... + 11047486.

It is an arithmetic number, because the mean of its divisors is an integer number (31655423808).

Almost surely, 2^221433432241 is an apocalyptic number.

It is an amenable number.

221433432241 is a deficient number, since it is larger than the sum of its proper divisors (31809958223).

221433432241 is a wasteful number, since it uses less digits than its factorization.

221433432241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22076351.

The product of its digits is 27648, while the sum is 31.

Adding to 221433432241 its reverse (142234334122), we get a palindrome (363667766363).

The spelling of 221433432241 in words is "two hundred twenty-one billion, four hundred thirty-three million, four hundred thirty-two thousand, two hundred forty-one".