2221471459 has 2 divisors, whose sum is σ = 2221471460. Its totient is φ = 2221471458.

The previous prime is 2221471457. The next prime is 2221471487. The reversal of 2221471459 is 9541741222.

2221471459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221471459 - 2¹ = 2221471457 is a prime.

Together with 2221471457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2221471457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110735729 + 1110735730.

It is an arithmetic number, because the mean of its divisors is an integer number (1110735730).

Almost surely, 2^2221471459 is an apocalyptic number.

2221471459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221471459 is an equidigital number, since it uses as much as digits as its factorization.

2221471459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 2221471459 is about 47132.4883599413. The cubic root of 2221471459 is about 1304.8089069048.

The spelling of 2221471459 in words is "two billion, two hundred twenty-one million, four hundred seventy-one thousand, four hundred fifty-nine".