2221189259 has 2 divisors, whose sum is σ = 2221189260. Its totient is φ = 2221189258.

The previous prime is 2221189253. The next prime is 2221189261. The reversal of 2221189259 is 9529811222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221189259 - 2²⁴ = 2204412043 is a prime.

Together with 2221189261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2221189253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110594629 + 1110594630.

It is an arithmetic number, because the mean of its divisors is an integer number (1110594630).

Almost surely, 2^2221189259 is an apocalyptic number.

2221189259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221189259 is an equidigital number, since it uses as much as digits as its factorization.

2221189259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 2221189259 is about 47129.4945761144. The cubic root of 2221189259 is about 1304.7536533378.

The spelling of 2221189259 in words is "two billion, two hundred twenty-one million, one hundred eighty-nine thousand, two hundred fifty-nine".