228013441 has 2 divisors, whose sum is σ = 228013442. Its totient is φ = 228013440.

The previous prime is 228013427. The next prime is 228013493. The reversal of 228013441 is 144310822.

228013441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212576400 + 15437041 = 14580^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 228013441 - 2⁹ = 228012929 is a prime.

It is not a weakly prime, because it can be changed into another prime (228013411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114006720 + 114006721.

It is an arithmetic number, because the mean of its divisors is an integer number (114006721).

Almost surely, 2^228013441 is an apocalyptic number.

It is an amenable number.

228013441 is a deficient number, since it is larger than the sum of its proper divisors (1).

228013441 is an equidigital number, since it uses as much as digits as its factorization.

228013441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 228013441 is about 15100.1139399675. The cubic root of 228013441 is about 610.9234789608.

The spelling of 228013441 in words is "two hundred twenty-eight million, thirteen thousand, four hundred forty-one".