228566013 has 8 divisors (see below), whose sum is σ = 328197408. Its totient is φ = 140655984.

The previous prime is 228565999. The next prime is 228566083. The reversal of 228566013 is 310665822.

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

It is not a de Polignac number, because 228566013 - 2¹⁰ = 228564989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228566083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930295 + ... + 2930372.

It is an arithmetic number, because the mean of its divisors is an integer number (41024676).

Almost surely, 2^228566013 is an apocalyptic number.

It is an amenable number.

228566013 is a deficient number, since it is larger than the sum of its proper divisors (99631395).

228566013 is a wasteful number, since it uses less digits than its factorization.

228566013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860683.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 228566013 is about 15118.3998161181. The cubic root of 228566013 is about 611.4165885996.

The spelling of 228566013 in words is "two hundred twenty-eight million, five hundred sixty-six thousand, thirteen".