2228763139 has 2 divisors, whose sum is σ = 2228763140. Its totient is φ = 2228763138.

The previous prime is 2228763133. The next prime is 2228763169. The reversal of 2228763139 is 9313678222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2228763139 - 2¹¹ = 2228761091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2228763095 and 2228763104.

It is not a weakly prime, because it can be changed into another prime (2228763133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114381569 + 1114381570.

It is an arithmetic number, because the mean of its divisors is an integer number (1114381570).

Almost surely, 2^2228763139 is an apocalyptic number.

2228763139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228763139 is an equidigital number, since it uses as much as digits as its factorization.

2228763139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 2228763139 is about 47209.7780020199. The cubic root of 2228763139 is about 1306.2349674208.

The spelling of 2228763139 in words is "two billion, two hundred twenty-eight million, seven hundred sixty-three thousand, one hundred thirty-nine".