241361221 has 2 divisors, whose sum is σ = 241361222. Its totient is φ = 241361220.

The previous prime is 241361209. The next prime is 241361227. The reversal of 241361221 is 122163142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127938721 + 113422500 = 11311^2 + 10650^2 .

It is a cyclic number.

It is not a de Polignac number, because 241361221 - 2¹⁵ = 241328453 is a prime.

It is a super-2 number, since 2×241361221² = 116510478005221682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 241361192 and 241361201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241361227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120680610 + 120680611.

It is an arithmetic number, because the mean of its divisors is an integer number (120680611).

Almost surely, 2^241361221 is an apocalyptic number.

It is an amenable number.

241361221 is a deficient number, since it is larger than the sum of its proper divisors (1).

241361221 is an equidigital number, since it uses as much as digits as its factorization.

241361221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 241361221 is about 15535.8044851240. The cubic root of 241361221 is about 622.6191841815.

The spelling of 241361221 in words is "two hundred forty-one million, three hundred sixty-one thousand, two hundred twenty-one".