13422523444 has 48 divisors (see below), whose sum is σ = 27125017920. Its totient is φ = 5753744640.

The previous prime is 13422523421. The next prime is 13422523459. The reversal of 13422523444 is 44432522431.

It is a super-2 number, since 2×13422523444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 67449 + ... + 177184.

It is an arithmetic number, because the mean of its divisors is an integer number (565104540).

Almost surely, 2^13422523444 is an apocalyptic number.

It is an amenable number.

13422523444 is an abundant number, since it is smaller than the sum of its proper divisors (13702494476).

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

13422523444 is a wasteful number, since it uses less digits than its factorization.

13422523444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244720 (or 244718 counting only the distinct ones).

The product of its digits is 92160, while the sum is 34.

The spelling of 13422523444 in words is "thirteen billion, four hundred twenty-two million, five hundred twenty-three thousand, four hundred forty-four".