228015329 has 2 divisors, whose sum is σ = 228015330. Its totient is φ = 228015328.

The previous prime is 228015317. The next prime is 228015341. The reversal of 228015329 is 923510822.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (228015317) and next prime (228015341).

It can be written as a sum of positive squares in only one way, i.e., 228010000 + 5329 = 15100^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 228015329 - 2¹² = 228011233 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228015295 and 228015304.

It is not a weakly prime, because it can be changed into another prime (228015379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114007664 + 114007665.

It is an arithmetic number, because the mean of its divisors is an integer number (114007665).

Almost surely, 2^228015329 is an apocalyptic number.

It is an amenable number.

228015329 is a deficient number, since it is larger than the sum of its proper divisors (1).

228015329 is an equidigital number, since it uses as much as digits as its factorization.

228015329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 228015329 is about 15100.1764559226. The cubic root of 228015329 is about 610.9251651484.

It can be divided in two parts, 22801 and 5329, that multiplied together give a square (121506529 = 11023²).

The spelling of 228015329 in words is "two hundred twenty-eight million, fifteen thousand, three hundred twenty-nine".