221341259 has 4 divisors (see below), whose sum is σ = 230964816. Its totient is φ = 211717704.

The previous prime is 221341243. The next prime is 221341261. The reversal of 221341259 is 952143122.

221341259 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.

It is a cyclic number.

It is not a de Polignac number, because 221341259 - 2⁴ = 221341243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221341229) 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, 4811744 + ... + 4811789.

It is an arithmetic number, because the mean of its divisors is an integer number (57741204).

Almost surely, 2^221341259 is an apocalyptic number.

221341259 is a deficient number, since it is larger than the sum of its proper divisors (9623557).

221341259 is an equidigital number, since it uses as much as digits as its factorization.

221341259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623556.

The product of its digits is 4320, while the sum is 29.

The square root of 221341259 is about 14877.5421021081. The cubic root of 221341259 is about 604.9053960401.

The spelling of 221341259 in words is "two hundred twenty-one million, three hundred forty-one thousand, two hundred fifty-nine".