228346361 has 2 divisors, whose sum is σ = 228346362. Its totient is φ = 228346360.

The previous prime is 228346303. The next prime is 228346367. The reversal of 228346361 is 163643822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159870736 + 68475625 = 12644^2 + 8275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228346361 is a prime.

It is not a weakly prime, because it can be changed into another prime (228346367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114173180 + 114173181.

It is an arithmetic number, because the mean of its divisors is an integer number (114173181).

Almost surely, 2^228346361 is an apocalyptic number.

It is an amenable number.

228346361 is a deficient number, since it is larger than the sum of its proper divisors (1).

228346361 is an equidigital number, since it uses as much as digits as its factorization.

228346361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 228346361 is about 15111.1336768622. The cubic root of 228346361 is about 611.2206686578.

The spelling of 228346361 in words is "two hundred twenty-eight million, three hundred forty-six thousand, three hundred sixty-one".