4032221212 has 24 divisors (see below), whose sum is σ = 7296307200. Its totient is φ = 1947781680.

The previous prime is 4032221209. The next prime is 4032221213. The reversal of 4032221212 is 2121222304.

It is a super-4 number, since 4×4032221212⁴ (a number of 40 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4032221212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032221213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47133 + ... + 101419.

It is an arithmetic number, because the mean of its divisors is an integer number (304012800).

Almost surely, 2^4032221212 is an apocalyptic number.

It is an amenable number.

4032221212 is a deficient number, since it is larger than the sum of its proper divisors (3264085988).

4032221212 is a wasteful number, since it uses less digits than its factorization.

4032221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54921 (or 54919 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4032221212 is about 63499.7733224301. The cubic root of 4032221212 is about 1591.6519902719.

Adding to 4032221212 its reverse (2121222304), we get a palindrome (6153443516).

The spelling of 4032221212 in words is "four billion, thirty-two million, two hundred twenty-one thousand, two hundred twelve".