4431223122004 has 24 divisors (see below), whose sum is σ = 8926204857920. Its totient is φ = 1885433063616.

The previous prime is 4431223121981. The next prime is 4431223122013. The reversal of 4431223122004 is 4002213221344.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569269377 + ... + 569277160.

Almost surely, 2^{4431223122004} is an apocalyptic number.

It is an amenable number.

4431223122004 is an abundant number, since it is smaller than the sum of its proper divisors (4494981735916).

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

4431223122004 is a wasteful number, since it uses less digits than its factorization.

4431223122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138546687 (or 1138546685 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4431223122004 its reverse (4002213221344), we get a palindrome (8433436343348).

The spelling of 4431223122004 in words is "four trillion, four hundred thirty-one billion, two hundred twenty-three million, one hundred twenty-two thousand, four".