228153589 has 2 divisors, whose sum is σ = 228153590. Its totient is φ = 228153588.

The previous prime is 228153553. The next prime is 228153623. The reversal of 228153589 is 985351822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179962225 + 48191364 = 13415^2 + 6942^2 .

It is a cyclic number.

It is not a de Polignac number, because 228153589 - 2¹¹ = 228151541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228153529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114076794 + 114076795.

It is an arithmetic number, because the mean of its divisors is an integer number (114076795).

Almost surely, 2^228153589 is an apocalyptic number.

It is an amenable number.

228153589 is a deficient number, since it is larger than the sum of its proper divisors (1).

228153589 is an equidigital number, since it uses as much as digits as its factorization.

228153589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 43.

The square root of 228153589 is about 15104.7538543334. The cubic root of 228153589 is about 611.0486209515.

The spelling of 228153589 in words is "two hundred twenty-eight million, one hundred fifty-three thousand, five hundred eighty-nine".