2228309771 has 2 divisors, whose sum is σ = 2228309772. Its totient is φ = 2228309770.

The previous prime is 2228309737. The next prime is 2228309807. The reversal of 2228309771 is 1779038222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228309771 is a prime.

It is not a weakly prime, because it can be changed into another prime (2228309711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114154885 + 1114154886.

It is an arithmetic number, because the mean of its divisors is an integer number (1114154886).

Almost surely, 2^2228309771 is an apocalyptic number.

2228309771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228309771 is an equidigital number, since it uses as much as digits as its factorization.

2228309771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 2228309771 is about 47204.9761254044. The cubic root of 2228309771 is about 1306.1463913427.

The spelling of 2228309771 in words is "two billion, two hundred twenty-eight million, three hundred nine thousand, seven hundred seventy-one".