2281245779 has 2 divisors, whose sum is σ = 2281245780. Its totient is φ = 2281245778.

The previous prime is 2281245739. The next prime is 2281245809. The reversal of 2281245779 is 9775421822.

2281245779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2281245779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2281245719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140622889 + 1140622890.

It is an arithmetic number, because the mean of its divisors is an integer number (1140622890).

Almost surely, 2^2281245779 is an apocalyptic number.

2281245779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281245779 is an equidigital number, since it uses as much as digits as its factorization.

2281245779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 47.

The square root of 2281245779 is about 47762.3887488890. The cubic root of 2281245779 is about 1316.4085451243.

The spelling of 2281245779 in words is "two billion, two hundred eighty-one million, two hundred forty-five thousand, seven hundred seventy-nine".