228327349 has 2 divisors, whose sum is σ = 228327350. Its totient is φ = 228327348.

The previous prime is 228327347. The next prime is 228327373. The reversal of 228327349 is 943723822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 69189124 = 12615^2 + 8318^2 .

It is a cyclic number.

It is not a de Polignac number, because 228327349 - 2¹ = 228327347 is a prime.

Together with 228327347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228327343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114163674 + 114163675.

It is an arithmetic number, because the mean of its divisors is an integer number (114163675).

Almost surely, 2^228327349 is an apocalyptic number.

It is an amenable number.

228327349 is a deficient number, since it is larger than the sum of its proper divisors (1).

228327349 is an equidigital number, since it uses as much as digits as its factorization.

228327349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 228327349 is about 15110.5045911776. The cubic root of 228327349 is about 611.2037048813.

The spelling of 228327349 in words is "two hundred twenty-eight million, three hundred twenty-seven thousand, three hundred forty-nine".