2256279 has 4 divisors (see below), whose sum is σ = 3008376. Its totient is φ = 1504184.

The previous prime is 2256259. The next prime is 2256281. The reversal of 2256279 is 9726522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256279 - 2⁹ = 2255767 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 2¹² + 5⁹ + 6⁷ + 2¹⁴ + 7⁴ + 9² .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376044 + ... + 376049.

It is an arithmetic number, because the mean of its divisors is an integer number (752094).

2^2256279 is an apocalyptic number.

2256279 is a deficient number, since it is larger than the sum of its proper divisors (752097).

2256279 is an equidigital number, since it uses as much as digits as its factorization.

2256279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752096.

The product of its digits is 15120, while the sum is 33.

The square root of 2256279 is about 1502.0915418176. The cubic root of 2256279 is about 131.1588500920.

The spelling of 2256279 in words is "two million, two hundred fifty-six thousand, two hundred seventy-nine".