4431122212 has 96 divisors (see below), whose sum is σ = 8876335104. Its totient is φ = 1918089600.

The previous prime is 4431122149. The next prime is 4431122231. The reversal of 4431122212 is 2122211344.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 15123138 + ... + 15123430.

It is an arithmetic number, because the mean of its divisors is an integer number (92461824).

Almost surely, 2^4431122212 is an apocalyptic number.

It is an amenable number.

4431122212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4431122212 is a wasteful number, since it uses less digits than its factorization.

4431122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 4431122212 is about 66566.6749357364. The cubic root of 4431122212 is about 1642.4969662177.

Adding to 4431122212 its reverse (2122211344), we get a palindrome (6553333556).

The spelling of 4431122212 in words is "four billion, four hundred thirty-one million, one hundred twenty-two thousand, two hundred twelve".