228729593 has 2 divisors, whose sum is σ = 228729594. Its totient is φ = 228729592.

The previous prime is 228729559. The next prime is 228729617. The reversal of 228729593 is 395927822.

228729593 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., 144769024 + 83960569 = 12032^2 + 9163^2 .

It is a cyclic number.

It is not a de Polignac number, because 228729593 - 2⁸ = 228729337 is a prime.

It is not a weakly prime, because it can be changed into another prime (228729533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114364796 + 114364797.

It is an arithmetic number, because the mean of its divisors is an integer number (114364797).

Almost surely, 2^228729593 is an apocalyptic number.

It is an amenable number.

228729593 is a deficient number, since it is larger than the sum of its proper divisors (1).

228729593 is an equidigital number, since it uses as much as digits as its factorization.

228729593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 228729593 is about 15123.8088125974. The cubic root of 228729593 is about 611.5624132479.

The spelling of 228729593 in words is "two hundred twenty-eight million, seven hundred twenty-nine thousand, five hundred ninety-three".