2278422763 has 2 divisors, whose sum is σ = 2278422764. Its totient is φ = 2278422762.

The previous prime is 2278422733. The next prime is 2278422823. The reversal of 2278422763 is 3672248722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2278422763 - 2¹³ = 2278414571 is a prime.

It is not a weakly prime, because it can be changed into another prime (2278422733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139211381 + 1139211382.

It is an arithmetic number, because the mean of its divisors is an integer number (1139211382).

Almost surely, 2^2278422763 is an apocalyptic number.

2278422763 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278422763 is an equidigital number, since it uses as much as digits as its factorization.

2278422763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 43.

The square root of 2278422763 is about 47732.8268909353. The cubic root of 2278422763 is about 1315.8653073884.

The spelling of 2278422763 in words is "two billion, two hundred seventy-eight million, four hundred twenty-two thousand, seven hundred sixty-three".