249856227 has 24 divisors (see below), whose sum is σ = 373187360. Its totient is φ = 160963200.

The previous prime is 249856219. The next prime is 249856247. The reversal of 249856227 is 722658942.

It is not a de Polignac number, because 249856227 - 2³ = 249856219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249856247) 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 23 ways as a sum of consecutive naturals, for example, 47799 + ... + 52767.

Almost surely, 2^249856227 is an apocalyptic number.

249856227 is a deficient number, since it is larger than the sum of its proper divisors (123331133).

249856227 is a wasteful number, since it uses less digits than its factorization.

249856227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163 (or 5160 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 249856227 is about 15806.8411455294. The cubic root of 249856227 is about 629.8397400376.

The spelling of 249856227 in words is "two hundred forty-nine million, eight hundred fifty-six thousand, two hundred twenty-seven".