229664223 has 12 divisors (see below), whose sum is σ = 346160880. Its totient is φ = 146452416.

The previous prime is 229664219. The next prime is 229664249. The reversal of 229664223 is 322466922.

229664223 is a `hidden beast` number, since 2 + 2 + 9 + 6 + 642 + 2 + 3 = 666.

It is not a de Polignac number, because 229664223 - 2² = 229664219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229664023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554538 + ... + 554951.

It is an arithmetic number, because the mean of its divisors is an integer number (28846740).

Almost surely, 2^229664223 is an apocalyptic number.

229664223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

229664223 is a deficient number, since it is larger than the sum of its proper divisors (116496657).

229664223 is a wasteful number, since it uses less digits than its factorization.

229664223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109518 (or 1109515 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 229664223 is about 15154.6766049296. The cubic root of 229664223 is about 612.3942656857.

The spelling of 229664223 in words is "two hundred twenty-nine million, six hundred sixty-four thousand, two hundred twenty-three".