13722183644 has 24 divisors (see below), whose sum is σ = 25956493248. Its totient is φ = 6309938880.

The previous prime is 13722183619. The next prime is 13722183653. The reversal of 13722183644 is 44638122731.

It is a super-2 number, since 2×13722183644² (a number of 21 digits) contains 22 as substring.

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, 472787 + ... + 500970.

It is an arithmetic number, because the mean of its divisors is an integer number (1081520552).

Almost surely, 2^13722183644 is an apocalyptic number.

It is an amenable number.

13722183644 is a deficient number, since it is larger than the sum of its proper divisors (12234309604).

13722183644 is a wasteful number, since it uses less digits than its factorization.

13722183644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974045 (or 974043 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The spelling of 13722183644 in words is "thirteen billion, seven hundred twenty-two million, one hundred eighty-three thousand, six hundred forty-four".