229841489 has 2 divisors, whose sum is σ = 229841490. Its totient is φ = 229841488.

The previous prime is 229841441. The next prime is 229841497. The reversal of 229841489 is 984148922.

It is a happy number.

229841489 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., 227859025 + 1982464 = 15095^2 + 1408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229841489 is a prime.

It is a super-2 number, since 2×229841489² = 105654220131474242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229841419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114920744 + 114920745.

It is an arithmetic number, because the mean of its divisors is an integer number (114920745).

Almost surely, 2^229841489 is an apocalyptic number.

It is an amenable number.

229841489 is a deficient number, since it is larger than the sum of its proper divisors (1).

229841489 is an equidigital number, since it uses as much as digits as its factorization.

229841489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 47.

The square root of 229841489 is about 15160.5240344785. The cubic root of 229841489 is about 612.5517837101.

The spelling of 229841489 in words is "two hundred twenty-nine million, eight hundred forty-one thousand, four hundred eighty-nine".