241242221 has 24 divisors (see below), whose sum is σ = 281635200. Its totient is φ = 204871680.

The previous prime is 241242191. The next prime is 241242227. The reversal of 241242221 is 122242142.

It is not a de Polignac number, because 241242221 - 2¹⁰ = 241241197 is a prime.

It is a super-3 number, since 3×241242221³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 241242193 and 241242202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241242227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313325 + ... + 314093.

It is an arithmetic number, because the mean of its divisors is an integer number (11734800).

Almost surely, 2^241242221 is an apocalyptic number.

It is an amenable number.

241242221 is a deficient number, since it is larger than the sum of its proper divisors (40392979).

241242221 is a wasteful number, since it uses less digits than its factorization.

241242221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 878 counting only the distinct ones).

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

The square root of 241242221 is about 15531.9741501201. The cubic root of 241242221 is about 622.5168426060.

Adding to 241242221 its reverse (122242142), we get a palindrome (363484363).

The spelling of 241242221 in words is "two hundred forty-one million, two hundred forty-two thousand, two hundred twenty-one".