243322441 has 8 divisors (see below), whose sum is σ = 259833600. Its totient is φ = 227352720.

The previous prime is 243322439. The next prime is 243322459. The reversal of 243322441 is 144223342.

It is a happy number.

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 243322441 - 2¹ = 243322439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243323441) 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, 134431 + ... + 136228.

It is an arithmetic number, because the mean of its divisors is an integer number (32479200).

Almost surely, 2^243322441 is an apocalyptic number.

It is an amenable number.

243322441 is a deficient number, since it is larger than the sum of its proper divisors (16511159).

243322441 is a wasteful number, since it uses less digits than its factorization.

243322441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270719.

The product of its digits is 4608, while the sum is 25.

The square root of 243322441 is about 15598.7961394461. The cubic root of 243322441 is about 624.3010349279.

Adding to 243322441 its reverse (144223342), we get a palindrome (387545783).

Subtracting from 243322441 its reverse (144223342), we obtain a palindrome (99099099).

The spelling of 243322441 in words is "two hundred forty-three million, three hundred twenty-two thousand, four hundred forty-one".