229984961 has 2 divisors, whose sum is σ = 229984962. Its totient is φ = 229984960.

The previous prime is 229984957. The next prime is 229984991. The reversal of 229984961 is 169489922.

It is a happy number.

229984961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191296561 + 38688400 = 13831^2 + 6220^2 .

It is a cyclic number.

It is not a de Polignac number, because 229984961 - 2² = 229984957 is a prime.

It is not a weakly prime, because it can be changed into another prime (229984901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114992480 + 114992481.

It is an arithmetic number, because the mean of its divisors is an integer number (114992481).

Almost surely, 2^229984961 is an apocalyptic number.

It is an amenable number.

229984961 is a deficient number, since it is larger than the sum of its proper divisors (1).

229984961 is an equidigital number, since it uses as much as digits as its factorization.

229984961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 229984961 is about 15165.2550588508. The cubic root of 229984961 is about 612.6792131977.

The spelling of 229984961 in words is "two hundred twenty-nine million, nine hundred eighty-four thousand, nine hundred sixty-one".