241440221 has 4 divisors (see below), whose sum is σ = 263389344. Its totient is φ = 219491100.

The previous prime is 241440211. The next prime is 241440229. The reversal of 241440221 is 122044142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 241440221 - 2¹⁰ = 241439197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 241440193 and 241440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241440229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10974545 + ... + 10974566.

It is an arithmetic number, because the mean of its divisors is an integer number (65847336).

Almost surely, 2^241440221 is an apocalyptic number.

It is an amenable number.

241440221 is a deficient number, since it is larger than the sum of its proper divisors (21949123).

241440221 is a wasteful number, since it uses less digits than its factorization.

241440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21949122.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 241440221 is about 15538.3467910843. The cubic root of 241440221 is about 622.6871066504.

Adding to 241440221 its reverse (122044142), we get a palindrome (363484363).

The spelling of 241440221 in words is "two hundred forty-one million, four hundred forty thousand, two hundred twenty-one".