212229804 has 24 divisors (see below), whose sum is σ = 495453168. Its totient is φ = 70707520.

The previous prime is 212229799. The next prime is 212229833. The reversal of 212229804 is 408922212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32494 + ... + 38474.

It is an arithmetic number, because the mean of its divisors is an integer number (20643882).

Almost surely, 2^212229804 is an apocalyptic number.

It is an amenable number.

212229804 is an abundant number, since it is smaller than the sum of its proper divisors (283223364).

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

212229804 is a wasteful number, since it uses less digits than its factorization.

212229804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945 (or 8943 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 212229804 is about 14568.1091429190. The cubic root of 212229804 is about 596.4885676047.

The spelling of 212229804 in words is "two hundred twelve million, two hundred twenty-nine thousand, eight hundred four".