228247313 has 16 divisors (see below), whose sum is σ = 271824000. Its totient is φ = 187512192.

The previous prime is 228247301. The next prime is 228247337. The reversal of 228247313 is 313742822.

228247313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228247313 - 2⁶ = 228247249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228247313.

It is not an unprimeable number, because it can be changed into a prime (228247363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24173 + ... + 32261.

It is an arithmetic number, because the mean of its divisors is an integer number (16989000).

Almost surely, 2^228247313 is an apocalyptic number.

It is an amenable number.

228247313 is a deficient number, since it is larger than the sum of its proper divisors (43576687).

228247313 is a wasteful number, since it uses less digits than its factorization.

228247313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8264.

The product of its digits is 16128, while the sum is 32.

The square root of 228247313 is about 15107.8560027557. The cubic root of 228247313 is about 611.1322810873.

The spelling of 228247313 in words is "two hundred twenty-eight million, two hundred forty-seven thousand, three hundred thirteen".