2228787307 has 2 divisors, whose sum is σ = 2228787308. Its totient is φ = 2228787306.

The previous prime is 2228787287. The next prime is 2228787311. The reversal of 2228787307 is 7037878222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228787307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228707307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114393653 + 1114393654.

It is an arithmetic number, because the mean of its divisors is an integer number (1114393654).

Almost surely, 2^2228787307 is an apocalyptic number.

2228787307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228787307 is an equidigital number, since it uses as much as digits as its factorization.

2228787307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 2228787307 is about 47210.0339652494. The cubic root of 2228787307 is about 1306.2396888696.

The spelling of 2228787307 in words is "two billion, two hundred twenty-eight million, seven hundred eighty-seven thousand, three hundred seven".