229999999999999 has 4 divisors (see below), whose sum is σ = 230001089066560. Its totient is φ = 229998910933440.

The previous prime is 229999999999961. The next prime is 230000000000003. The reversal of 229999999999999 is 999999999999922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 229999999999999 - 2⁹ = 229999999999487 is a prime.

It is a super-9 number, since 9×229999999999999⁹ (a number of 131 digits) contains 999999999 as substring.

It is a Duffinian number.

229999999999999 is a modest number, since divided by 99999999 gives 2299999 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 229999999999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229999999999949) 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, 544216434 + ... + 544638895.

It is an arithmetic number, because the mean of its divisors is an integer number (57500272266640).

Almost surely, 2^{229999999999999} is an apocalyptic number.

229999999999999 is a deficient number, since it is larger than the sum of its proper divisors (1089066561).

229999999999999 is a wasteful number, since it uses less digits than its factorization.

229999999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089066560.

The product of its digits is 10167463313316, while the sum is 121.

The spelling of 229999999999999 in words is "two hundred twenty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".