229629689 has 2 divisors, whose sum is σ = 229629690. Its totient is φ = 229629688.

The previous prime is 229629671. The next prime is 229629707. The reversal of 229629689 is 986926922.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (229629671) and next prime (229629707).

It can be written as a sum of positive squares in only one way, i.e., 188156089 + 41473600 = 13717^2 + 6440^2 .

It is a cyclic number.

It is not a de Polignac number, because 229629689 - 2²⁴ = 212852473 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229629689.

It is not a weakly prime, because it can be changed into another prime (229623689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114814844 + 114814845.

It is an arithmetic number, because the mean of its divisors is an integer number (114814845).

Almost surely, 2^229629689 is an apocalyptic number.

It is an amenable number.

229629689 is a deficient number, since it is larger than the sum of its proper divisors (1).

229629689 is an equidigital number, since it uses as much as digits as its factorization.

229629689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 229629689 is about 15153.5371778341. The cubic root of 229629689 is about 612.3635694466.

The spelling of 229629689 in words is "two hundred twenty-nine million, six hundred twenty-nine thousand, six hundred eighty-nine".