241742221 has 4 divisors (see below), whose sum is σ = 276276832. Its totient is φ = 207207612.

The previous prime is 241742177. The next prime is 241742239. The reversal of 241742221 is 122247142.

241742221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122247142 = 2 ⋅61123571.

It is a cyclic number.

It is not a de Polignac number, because 241742221 - 2¹⁵ = 241709453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241742251) 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, 17267295 + ... + 17267308.

It is an arithmetic number, because the mean of its divisors is an integer number (69069208).

Almost surely, 2^241742221 is an apocalyptic number.

It is an amenable number.

241742221 is a deficient number, since it is larger than the sum of its proper divisors (34534611).

241742221 is an equidigital number, since it uses as much as digits as its factorization.

241742221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34534610.

The product of its digits is 1792, while the sum is 25.

The square root of 241742221 is about 15548.0616476781. The cubic root of 241742221 is about 622.9466231375.

Adding to 241742221 its reverse (122247142), we get a palindrome (363989363).

The spelling of 241742221 in words is "two hundred forty-one million, seven hundred forty-two thousand, two hundred twenty-one".