228496613 has 2 divisors, whose sum is σ = 228496614. Its totient is φ = 228496612.

The previous prime is 228496601. The next prime is 228496627. The reversal of 228496613 is 316694822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176411524 + 52085089 = 13282^2 + 7217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228496613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228496663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114248306 + 114248307.

It is an arithmetic number, because the mean of its divisors is an integer number (114248307).

Almost surely, 2^228496613 is an apocalyptic number.

It is an amenable number.

228496613 is a deficient number, since it is larger than the sum of its proper divisors (1).

228496613 is an equidigital number, since it uses as much as digits as its factorization.

228496613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 228496613 is about 15116.1044254133. The cubic root of 228496613 is about 611.3547004153.

The spelling of 228496613 in words is "two hundred twenty-eight million, four hundred ninety-six thousand, six hundred thirteen".