228268499 has 2 divisors, whose sum is σ = 228268500. Its totient is φ = 228268498.

The previous prime is 228268487. The next prime is 228268517. The reversal of 228268499 is 994862822.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228268499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228267499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114134249 + 114134250.

It is an arithmetic number, because the mean of its divisors is an integer number (114134250).

Almost surely, 2^228268499 is an apocalyptic number.

228268499 is a deficient number, since it is larger than the sum of its proper divisors (1).

228268499 is an equidigital number, since it uses as much as digits as its factorization.

228268499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 228268499 is about 15108.5571448765. The cubic root of 228268499 is about 611.1511890104.

The spelling of 228268499 in words is "two hundred twenty-eight million, two hundred sixty-eight thousand, four hundred ninety-nine".