2279263 has 8 divisors (see below), whose sum is σ = 2636928. Its totient is φ = 1929624.

The previous prime is 2279261. The next prime is 2279281. The reversal of 2279263 is 3629722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2279263 - 2¹ = 2279261 is a prime.

It is a super-3 number, since 3×2279263³ = 35522586157426933341, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2² + 2⁸ + 7⁴ + 9 + 2¹⁶ + 6⁸ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279261) 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 in 7 ways as a sum of consecutive naturals, for example, 1381 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (329616).

2^2279263 is an apocalyptic number.

2279263 is a deficient number, since it is larger than the sum of its proper divisors (357665).

2279263 is an equidigital number, since it uses as much as digits as its factorization.

2279263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its digits is 9072, while the sum is 31.

The square root of 2279263 is about 1509.7228222425. The cubic root of 2279263 is about 131.6027042493.

The spelling of 2279263 in words is "two million, two hundred seventy-nine thousand, two hundred sixty-three".