44215212 has 12 divisors (see below), whose sum is σ = 103168856. Its totient is φ = 14738400.

The previous prime is 44215211. The next prime is 44215229. The reversal of 44215212 is 21251244.

44215212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (44215211) 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 3 ways as a sum of consecutive naturals, for example, 1842289 + ... + 1842312.

Almost surely, 2^44215212 is an apocalyptic number.

It is an amenable number.

44215212 is an abundant number, since it is smaller than the sum of its proper divisors (58953644).

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

44215212 is a wasteful number, since it uses less digits than its factorization.

44215212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684608 (or 3684606 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 44215212 is about 6649.4520074966. The cubic root of 44215212 is about 353.6094834956.

Adding to 44215212 its reverse (21251244), we get a palindrome (65466456).

The spelling of 44215212 in words is "forty-four million, two hundred fifteen thousand, two hundred twelve".