13222331044 has 24 divisors (see below), whose sum is σ = 24978522240. Its totient is φ = 6088039584.

The previous prime is 13222330973. The next prime is 13222331047. The reversal of 13222331044 is 44013322231.

It is a super-2 number, since 2×13222331044² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13222331047) 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 7 ways as a sum of consecutive naturals, for example, 281644 + ... + 325219.

It is an arithmetic number, because the mean of its divisors is an integer number (1040771760).

Almost surely, 2^13222331044 is an apocalyptic number.

It is an amenable number.

13222331044 is a deficient number, since it is larger than the sum of its proper divisors (11756191196).

13222331044 is a wasteful number, since it uses less digits than its factorization.

13222331044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607299 (or 607297 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13222331044 its reverse (44013322231), we get a palindrome (57235653275).

The spelling of 13222331044 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty-one thousand, forty-four".