228493061 has 2 divisors, whose sum is σ = 228493062. Its totient is φ = 228493060.

The previous prime is 228493021. The next prime is 228493079. The reversal of 228493061 is 160394822.

228493061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227828836 + 664225 = 15094^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 228493061 - 2²² = 224298757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228493021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114246530 + 114246531.

It is an arithmetic number, because the mean of its divisors is an integer number (114246531).

Almost surely, 2^228493061 is an apocalyptic number.

It is an amenable number.

228493061 is a deficient number, since it is larger than the sum of its proper divisors (1).

228493061 is an equidigital number, since it uses as much as digits as its factorization.

228493061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 228493061 is about 15115.9869343685. The cubic root of 228493061 is about 611.3515325447.

The spelling of 228493061 in words is "two hundred twenty-eight million, four hundred ninety-three thousand, sixty-one".