229941889 has 2 divisors, whose sum is σ = 229941890. Its totient is φ = 229941888.

The previous prime is 229941871. The next prime is 229941947. The reversal of 229941889 is 988149922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197543025 + 32398864 = 14055^2 + 5692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229941889 is a prime.

It is not a weakly prime, because it can be changed into another prime (229941809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114970944 + 114970945.

It is an arithmetic number, because the mean of its divisors is an integer number (114970945).

Almost surely, 2^229941889 is an apocalyptic number.

It is an amenable number.

229941889 is a deficient number, since it is larger than the sum of its proper divisors (1).

229941889 is an equidigital number, since it uses as much as digits as its factorization.

229941889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The square root of 229941889 is about 15163.8349041395. The cubic root of 229941889 is about 612.6409629188.

The spelling of 229941889 in words is "two hundred twenty-nine million, nine hundred forty-one thousand, eight hundred eighty-nine".