2278263941 has 2 divisors, whose sum is σ = 2278263942. Its totient is φ = 2278263940.

The previous prime is 2278263893. The next prime is 2278263943. The reversal of 2278263941 is 1493628722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1574423041 + 703840900 = 39679^2 + 26530^2 .

It is a cyclic number.

It is not a de Polignac number, because 2278263941 - 2³⁰ = 1204522117 is a prime.

Together with 2278263943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2278263892 and 2278263901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2278263943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139131970 + 1139131971.

It is an arithmetic number, because the mean of its divisors is an integer number (1139131971).

Almost surely, 2^2278263941 is an apocalyptic number.

It is an amenable number.

2278263941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278263941 is an equidigital number, since it uses as much as digits as its factorization.

2278263941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 2278263941 is about 47731.1632060230. The cubic root of 2278263941 is about 1315.8347316733.

The spelling of 2278263941 in words is "two billion, two hundred seventy-eight million, two hundred sixty-three thousand, nine hundred forty-one".