2221240339 has 2 divisors, whose sum is σ = 2221240340. Its totient is φ = 2221240338.

The previous prime is 2221240309. The next prime is 2221240457. The reversal of 2221240339 is 9330421222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221240339 - 2⁹ = 2221239827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221240309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110620169 + 1110620170.

It is an arithmetic number, because the mean of its divisors is an integer number (1110620170).

Almost surely, 2^2221240339 is an apocalyptic number.

2221240339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221240339 is an equidigital number, since it uses as much as digits as its factorization.

2221240339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2221240339 is about 47130.0364841785. The cubic root of 2221240339 is about 1304.7636549327.

The spelling of 2221240339 in words is "two billion, two hundred twenty-one million, two hundred forty thousand, three hundred thirty-nine".