212229672 has 32 divisors (see below), whose sum is σ = 536971680. Its totient is φ = 69890240.

The previous prime is 212229637. The next prime is 212229679. The reversal of 212229672 is 276922212.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (212229679) by changing a digit.

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, 51279 + ... + 55262.

It is an arithmetic number, because the mean of its divisors is an integer number (16780365).

Almost surely, 2^212229672 is an apocalyptic number.

It is an amenable number.

212229672 is an abundant number, since it is smaller than the sum of its proper divisors (324742008).

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

212229672 is a wasteful number, since it uses less digits than its factorization.

212229672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106633 (or 106629 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 212229672 is about 14568.1046124745. The cubic root of 212229672 is about 596.4884439392.

The spelling of 212229672 in words is "two hundred twelve million, two hundred twenty-nine thousand, six hundred seventy-two".