221014241 has 4 divisors (see below), whose sum is σ = 252587712. Its totient is φ = 189440772.

The previous prime is 221014219. The next prime is 221014243. The reversal of 221014241 is 142410122.

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 221014241 - 2¹⁰ = 221013217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221014243) 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 in 3 ways as a sum of consecutive naturals, for example, 15786725 + ... + 15786738.

It is an arithmetic number, because the mean of its divisors is an integer number (63146928).

Almost surely, 2^221014241 is an apocalyptic number.

It is an amenable number.

221014241 is a deficient number, since it is larger than the sum of its proper divisors (31573471).

221014241 is an equidigital number, since it uses as much as digits as its factorization.

221014241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31573470.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 221014241 is about 14866.5477162655. The cubic root of 221014241 is about 604.6073457903.

Adding to 221014241 its reverse (142410122), we get a palindrome (363424363).

The spelling of 221014241 in words is "two hundred twenty-one million, fourteen thousand, two hundred forty-one".