228205441 has 2 divisors, whose sum is σ = 228205442. Its totient is φ = 228205440.

The previous prime is 228205403. The next prime is 228205457. The reversal of 228205441 is 144502822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222129216 + 6076225 = 14904^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 228205441 - 2⁹ = 228204929 is a prime.

It is not a weakly prime, because it can be changed into another prime (228205541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114102720 + 114102721.

It is an arithmetic number, because the mean of its divisors is an integer number (114102721).

Almost surely, 2^228205441 is an apocalyptic number.

It is an amenable number.

228205441 is a deficient number, since it is larger than the sum of its proper divisors (1).

228205441 is an equidigital number, since it uses as much as digits as its factorization.

228205441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 228205441 is about 15106.4701700960. The cubic root of 228205441 is about 611.0949080357.

The spelling of 228205441 in words is "two hundred twenty-eight million, two hundred five thousand, four hundred forty-one".