229208993 has 8 divisors (see below), whose sum is σ = 246960000. Its totient is φ = 211475088.

The previous prime is 229208957. The next prime is 229209017. The reversal of 229208993 is 399802922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229208993 - 2⁶ = 229208929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229208893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42968 + ... + 48006.

It is an arithmetic number, because the mean of its divisors is an integer number (30870000).

Almost surely, 2^229208993 is an apocalyptic number.

It is an amenable number.

229208993 is a deficient number, since it is larger than the sum of its proper divisors (17751007).

229208993 is a wasteful number, since it uses less digits than its factorization.

229208993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 229208993 is about 15139.6496987216. The cubic root of 229208993 is about 611.9893780106.

It can be divided in two parts, 22920 and 8993, that added together give a palindrome (31913).

The spelling of 229208993 in words is "two hundred twenty-nine million, two hundred eight thousand, nine hundred ninety-three".