4309397227 has 2 divisors, whose sum is σ = 4309397228. Its totient is φ = 4309397226.

The previous prime is 4309397179. The next prime is 4309397249. The reversal of 4309397227 is 7227939034.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4309397227 is a prime.

It is not a weakly prime, because it can be changed into another prime (4309397297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154698613 + 2154698614.

It is an arithmetic number, because the mean of its divisors is an integer number (2154698614).

Almost surely, 2^4309397227 is an apocalyptic number.

4309397227 is a deficient number, since it is larger than the sum of its proper divisors (1).

4309397227 is an equidigital number, since it uses as much as digits as its factorization.

4309397227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 4309397227 is about 65645.9993221217. Note that the first 3 decimals coincide. The cubic root of 4309397227 is about 1627.3170546042.

The spelling of 4309397227 in words is "four billion, three hundred nine million, three hundred ninety-seven thousand, two hundred twenty-seven".