229999668 has 24 divisors (see below), whose sum is σ = 549756480. Its totient is φ = 74796480.

The previous prime is 229999639. The next prime is 229999673. The reversal of 229999668 is 866999922.

It is a super-2 number, since 2×229999668² = 105799694560220448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233248 + ... + 234231.

It is an arithmetic number, because the mean of its divisors is an integer number (22906520).

Almost surely, 2^229999668 is an apocalyptic number.

It is an amenable number.

229999668 is an abundant number, since it is smaller than the sum of its proper divisors (319756812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229999668 is a wasteful number, since it uses less digits than its factorization.

229999668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467527 (or 467525 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 60.

The square root of 229999668 is about 15165.7399423833. The cubic root of 229999668 is about 612.6922727199.

The spelling of 229999668 in words is "two hundred twenty-nine million, nine hundred ninety-nine thousand, six hundred sixty-eight".