2287279 has 2 divisors, whose sum is σ = 2287280. Its totient is φ = 2287278.

The previous prime is 2287261. The next prime is 2287283. The reversal of 2287279 is 9727822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2287279 - 2⁵ = 2287247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2287249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143639 + 1143640.

It is an arithmetic number, because the mean of its divisors is an integer number (1143640).

2^2287279 is an apocalyptic number.

2287279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287279 is an equidigital number, since it uses as much as digits as its factorization.

2287279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 2287279 is about 1512.3752841144. The cubic root of 2287279 is about 131.7568027434.

The spelling of 2287279 in words is "two million, two hundred eighty-seven thousand, two hundred seventy-nine".