2281487279 has 2 divisors, whose sum is σ = 2281487280. Its totient is φ = 2281487278.

The previous prime is 2281487269. The next prime is 2281487287. The reversal of 2281487279 is 9727841822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2281487279 - 2²⁰ = 2280438703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281487209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140743639 + 1140743640.

It is an arithmetic number, because the mean of its divisors is an integer number (1140743640).

Almost surely, 2^2281487279 is an apocalyptic number.

2281487279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281487279 is an equidigital number, since it uses as much as digits as its factorization.

2281487279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 50.

The square root of 2281487279 is about 47764.9168218683. The cubic root of 2281487279 is about 1316.4549965631.

The spelling of 2281487279 in words is "two billion, two hundred eighty-one million, four hundred eighty-seven thousand, two hundred seventy-nine".