221244434034259 has 2 divisors, whose sum is σ = 221244434034260. Its totient is φ = 221244434034258.

The previous prime is 221244434034181. The next prime is 221244434034307. The reversal of 221244434034259 is 952430434442122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221244434034259 - 2¹⁷ = 221244433903187 is a prime.

It is a super-2 number, since 2×221244434034259² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221244434038259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110622217017129 + 110622217017130.

It is an arithmetic number, because the mean of its divisors is an integer number (110622217017130).

Almost surely, 2^{221244434034259} is an apocalyptic number.

221244434034259 is a deficient number, since it is larger than the sum of its proper divisors (1).

221244434034259 is an equidigital number, since it uses as much as digits as its factorization.

221244434034259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 221244434034259 in words is "two hundred twenty-one trillion, two hundred forty-four billion, four hundred thirty-four million, thirty-four thousand, two hundred fifty-nine".