229856916242 has 18 divisors (see below), whose sum is σ = 352326161493. Its totient is φ = 112467577272.

The previous prime is 229856916239. The next prime is 229856916251. The reversal of 229856916242 is 242619658922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201592918081 + 28263998161 = 448991^2 + 168119^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=339011.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31863428 + ... + 31870640.

Almost surely, 2^229856916242 is an apocalyptic number.

229856916242 is a deficient number, since it is larger than the sum of its proper divisors (122469245251).

229856916242 is an frugal number, since it uses more digits than its factorization.

229856916242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14522 (or 7262 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The spelling of 229856916242 in words is "two hundred twenty-nine billion, eight hundred fifty-six million, nine hundred sixteen thousand, two hundred forty-two".