228408713 has 16 divisors (see below), whose sum is σ = 256574976. Its totient is φ = 201899520.

The previous prime is 228408701. The next prime is 228408721. The reversal of 228408713 is 317804822.

It is a cyclic number.

It is not a de Polignac number, because 228408713 - 2⁸ = 228408457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228408793) 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, 36170 + ... + 42012.

It is an arithmetic number, because the mean of its divisors is an integer number (16035936).

Almost surely, 2^228408713 is an apocalyptic number.

It is an amenable number.

228408713 is a deficient number, since it is larger than the sum of its proper divisors (28166263).

228408713 is a wasteful number, since it uses less digits than its factorization.

228408713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 228408713 is about 15113.1966506097. The cubic root of 228408713 is about 611.2762966705.

The spelling of 228408713 in words is "two hundred twenty-eight million, four hundred eight thousand, seven hundred thirteen".