13222729244 has 6 divisors (see below), whose sum is σ = 23139776184. Its totient is φ = 6611364620.

The previous prime is 13222729159. The next prime is 13222729277. The reversal of 13222729244 is 44292722231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13222729198 and 13222729207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652841152 + ... + 1652841159.

It is an arithmetic number, because the mean of its divisors is an integer number (3856629364).

Almost surely, 2^13222729244 is an apocalyptic number.

It is an amenable number.

13222729244 is a deficient number, since it is larger than the sum of its proper divisors (9917046940).

13222729244 is a wasteful number, since it uses less digits than its factorization.

13222729244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305682315 (or 3305682313 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The spelling of 13222729244 in words is "thirteen billion, two hundred twenty-two million, seven hundred twenty-nine thousand, two hundred forty-four".