241142221 has 4 divisors (see below), whose sum is σ = 249457500. Its totient is φ = 232826944.

The previous prime is 241142219. The next prime is 241142227. The reversal of 241142221 is 122241142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72012196 + 169130025 = 8486^2 + 13005^2 .

It is a cyclic number.

It is not a de Polignac number, because 241142221 - 2¹ = 241142219 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 (241142227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4157596 + ... + 4157653.

It is an arithmetic number, because the mean of its divisors is an integer number (62364375).

Almost surely, 2^241142221 is an apocalyptic number.

It is an amenable number.

241142221 is a deficient number, since it is larger than the sum of its proper divisors (8315279).

241142221 is an equidigital number, since it uses as much as digits as its factorization.

241142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315278.

The product of its digits is 256, while the sum is 19.

The square root of 241142221 is about 15528.7546506473. The cubic root of 241142221 is about 622.4308152548.

Adding to 241142221 its reverse (122241142), we get a palindrome (363383363).

It can be divided in two parts, 24114 and 2221, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 241142221 in words is "two hundred forty-one million, one hundred forty-two thousand, two hundred twenty-one".