2273948387 has 2 divisors, whose sum is σ = 2273948388. Its totient is φ = 2273948386.

The previous prime is 2273948371. The next prime is 2273948393. The reversal of 2273948387 is 7838493722.

2273948387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2273948387 - 2⁴ = 2273948371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2273948587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136974193 + 1136974194.

It is an arithmetic number, because the mean of its divisors is an integer number (1136974194).

Almost surely, 2^2273948387 is an apocalyptic number.

2273948387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273948387 is an equidigital number, since it uses as much as digits as its factorization.

2273948387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 53.

The square root of 2273948387 is about 47685.9348969903. The cubic root of 2273948387 is about 1315.0033756847.

The spelling of 2273948387 in words is "two billion, two hundred seventy-three million, nine hundred forty-eight thousand, three hundred eighty-seven".