229442866 has 4 divisors (see below), whose sum is σ = 344164302. Its totient is φ = 114721432.

The previous prime is 229442849. The next prime is 229442881. The reversal of 229442866 is 668244922.

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

It can be written as a sum of positive squares in only one way, i.e., 203889841 + 25553025 = 14279^2 + 5055^2 .

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 as a sum of consecutive naturals, namely, 57360715 + ... + 57360718.

Almost surely, 2^229442866 is an apocalyptic number.

229442866 is a deficient number, since it is larger than the sum of its proper divisors (114721436).

229442866 is a wasteful number, since it uses less digits than its factorization.

229442866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114721435.

The product of its digits is 331776, while the sum is 43.

The square root of 229442866 is about 15147.3715871764. The cubic root of 229442866 is about 612.1974546913.

The spelling of 229442866 in words is "two hundred twenty-nine million, four hundred forty-two thousand, eight hundred sixty-six".