43472212 has 18 divisors (see below), whose sum is σ = 88497402. Its totient is φ = 18630864.

The previous prime is 43472207. The next prime is 43472249. The reversal of 43472212 is 21227434.

It is a happy number.

43472212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24147396 + 19324816 = 4914^2 + 4396^2 .

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 110703 + ... + 111094.

Almost surely, 2^43472212 is an apocalyptic number.

It is an amenable number.

43472212 is an abundant number, since it is smaller than the sum of its proper divisors (45025190).

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

43472212 is a wasteful number, since it uses less digits than its factorization.

43472212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221815 (or 221806 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 43472212 is about 6593.3460397586. The cubic root of 43472212 is about 351.6175792564.

Adding to 43472212 its reverse (21227434), we get a palindrome (64699646).

The spelling of 43472212 in words is "forty-three million, four hundred seventy-two thousand, two hundred twelve".