2248280777 has 2 divisors, whose sum is σ = 2248280778. Its totient is φ = 2248280776.

The previous prime is 2248280717. The next prime is 2248280779. The reversal of 2248280777 is 7770828422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2248277056 + 3721 = 47416^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 2248280777 - 2²⁶ = 2181171913 is a prime.

Together with 2248280779, 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 (2248280779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124140388 + 1124140389.

It is an arithmetic number, because the mean of its divisors is an integer number (1124140389).

Almost surely, 2^2248280777 is an apocalyptic number.

It is an amenable number.

2248280777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248280777 is an equidigital number, since it uses as much as digits as its factorization.

2248280777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 702464, while the sum is 47.

The square root of 2248280777 is about 47416.0392377938. The cubic root of 2248280777 is about 1310.0368610338.

The spelling of 2248280777 in words is "two billion, two hundred forty-eight million, two hundred eighty thousand, seven hundred seventy-seven".