2281818307 has 2 divisors, whose sum is σ = 2281818308. Its totient is φ = 2281818306.

The previous prime is 2281818299. The next prime is 2281818313. The reversal of 2281818307 is 7038181822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2281818307 - 2³ = 2281818299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2281818307.

It is not a weakly prime, because it can be changed into another prime (2281818337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140909153 + 1140909154.

It is an arithmetic number, because the mean of its divisors is an integer number (1140909154).

Almost surely, 2^2281818307 is an apocalyptic number.

2281818307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281818307 is an equidigital number, since it uses as much as digits as its factorization.

2281818307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 2281818307 is about 47768.3818754624. The cubic root of 2281818307 is about 1316.5186629843.

The spelling of 2281818307 in words is "two billion, two hundred eighty-one million, eight hundred eighteen thousand, three hundred seven".