2247447439 has 2 divisors, whose sum is σ = 2247447440. Its totient is φ = 2247447438.

The previous prime is 2247447383. The next prime is 2247447467. The reversal of 2247447439 is 9347447422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2247447439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2247447469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123723719 + 1123723720.

It is an arithmetic number, because the mean of its divisors is an integer number (1123723720).

Almost surely, 2^2247447439 is an apocalyptic number.

2247447439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247447439 is an equidigital number, since it uses as much as digits as its factorization.

2247447439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 46.

The square root of 2247447439 is about 47407.2509116485. The cubic root of 2247447439 is about 1309.8749835051.

The spelling of 2247447439 in words is "two billion, two hundred forty-seven million, four hundred forty-seven thousand, four hundred thirty-nine".