228571589 has 2 divisors, whose sum is σ = 228571590. Its totient is φ = 228571588.

The previous prime is 228571573. The next prime is 228571601. The reversal of 228571589 is 985175822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196840900 + 31730689 = 14030^2 + 5633^2 .

It is a cyclic number.

It is not a de Polignac number, because 228571589 - 2⁴ = 228571573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228571529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114285794 + 114285795.

It is an arithmetic number, because the mean of its divisors is an integer number (114285795).

Almost surely, 2^228571589 is an apocalyptic number.

It is an amenable number.

228571589 is a deficient number, since it is larger than the sum of its proper divisors (1).

228571589 is an equidigital number, since it uses as much as digits as its factorization.

228571589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 47.

The square root of 228571589 is about 15118.5842260444. The cubic root of 228571589 is about 611.4215605129.

The spelling of 228571589 in words is "two hundred twenty-eight million, five hundred seventy-one thousand, five hundred eighty-nine".