229112812 has 12 divisors (see below), whose sum is σ = 407743560. Its totient is φ = 112614656.

The previous prime is 229112803. The next prime is 229112833. The reversal of 229112812 is 218211922.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485173 + ... + 485644.

It is an arithmetic number, because the mean of its divisors is an integer number (33978630).

Almost surely, 2^229112812 is an apocalyptic number.

It is an amenable number.

229112812 is a deficient number, since it is larger than the sum of its proper divisors (178630748).

229112812 is a wasteful number, since it uses less digits than its factorization.

229112812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970880 (or 970878 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 229112812 is about 15136.4729048745. The cubic root of 229112812 is about 611.9037647533.

The spelling of 229112812 in words is "two hundred twenty-nine million, one hundred twelve thousand, eight hundred twelve".