229943338866 has 16 divisors (see below), whose sum is σ = 510985197600. Its totient is φ = 76647779604.

The previous prime is 229943338861. The next prime is 229943338871. The reversal of 229943338866 is 668833349922.

229943338866 is a `hidden beast` number, since 2 + 2 + 99 + 433 + 38 + 86 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (229943338861) and next prime (229943338871).

It is not an unprimeable number, because it can be changed into a prime (229943338861) 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, 2129104936 + ... + 2129105043.

It is an arithmetic number, because the mean of its divisors is an integer number (31936574850).

Almost surely, 2^229943338866 is an apocalyptic number.

229943338866 is an abundant number, since it is smaller than the sum of its proper divisors (281041858734).

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

229943338866 is a wasteful number, since it uses less digits than its factorization.

229943338866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258209990 (or 4258209984 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 63.

The spelling of 229943338866 in words is "two hundred twenty-nine billion, nine hundred forty-three million, three hundred thirty-eight thousand, eight hundred sixty-six".