229216923 has 24 divisors (see below), whose sum is σ = 357101472. Its totient is φ = 140842368.

The previous prime is 229216913. The next prime is 229216973. The reversal of 229216923 is 329612922.

It is not a de Polignac number, because 229216923 - 2⁶ = 229216859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229216903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114015 + ... + 116007.

It is an arithmetic number, because the mean of its divisors is an integer number (14879228).

Almost surely, 2^229216923 is an apocalyptic number.

229216923 is a deficient number, since it is larger than the sum of its proper divisors (127884549).

229216923 is a wasteful number, since it uses less digits than its factorization.

229216923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995 (or 2992 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 229216923 is about 15139.9115915516. The cubic root of 229216923 is about 611.9964356450.

The spelling of 229216923 in words is "two hundred twenty-nine million, two hundred sixteen thousand, nine hundred twenty-three".