229815343568 has 20 divisors (see below), whose sum is σ = 445324171908. Its totient is φ = 114892976640.

The previous prime is 229815343561. The next prime is 229815343601. The reversal of 229815343568 is 865343518922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48141625744 + 181673717824 = 219412^2 + 426232^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229815343561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788873 + ... + 1040168.

Almost surely, 2^229815343568 is an apocalyptic number.

It is an amenable number.

229815343568 is a deficient number, since it is larger than the sum of its proper divisors (215508828340).

229815343568 is a wasteful number, since it uses less digits than its factorization.

229815343568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836902 (or 1836896 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 56.

The spelling of 229815343568 in words is "two hundred twenty-nine billion, eight hundred fifteen million, three hundred forty-three thousand, five hundred sixty-eight".