228335747 has 2 divisors, whose sum is σ = 228335748. Its totient is φ = 228335746.

The previous prime is 228335689. The next prime is 228335759. The reversal of 228335747 is 747533822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228335747 - 2¹⁴ = 228319363 is a prime.

It is not a weakly prime, because it can be changed into another prime (228335147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114167873 + 114167874.

It is an arithmetic number, because the mean of its divisors is an integer number (114167874).

Almost surely, 2^228335747 is an apocalyptic number.

228335747 is a deficient number, since it is larger than the sum of its proper divisors (1).

228335747 is an equidigital number, since it uses as much as digits as its factorization.

228335747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 228335747 is about 15110.7824747761. The cubic root of 228335747 is about 611.2111982540.

The spelling of 228335747 in words is "two hundred twenty-eight million, three hundred thirty-five thousand, seven hundred forty-seven".