228003499 has 2 divisors, whose sum is σ = 228003500. Its totient is φ = 228003498.

The previous prime is 228003491. The next prime is 228003551. The reversal of 228003499 is 994300822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228003499 - 2³ = 228003491 is a prime.

It is equal to p_12538729 and since 228003499 and 12538729 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (228003491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114001749 + 114001750.

It is an arithmetic number, because the mean of its divisors is an integer number (114001750).

Almost surely, 2^228003499 is an apocalyptic number.

228003499 is a deficient number, since it is larger than the sum of its proper divisors (1).

228003499 is an equidigital number, since it uses as much as digits as its factorization.

228003499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 228003499 is about 15099.7847335649. The cubic root of 228003499 is about 610.9145995288.

The spelling of 228003499 in words is "two hundred twenty-eight million, three thousand, four hundred ninety-nine".