13142442422 has 4 divisors (see below), whose sum is σ = 19713663636. Its totient is φ = 6571221210.

The previous prime is 13142442421. The next prime is 13142442451. The reversal of 13142442422 is 22424424131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142442421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285610604 + ... + 3285610607.

It is an arithmetic number, because the mean of its divisors is an integer number (4928415909).

Almost surely, 2^13142442422 is an apocalyptic number.

13142442422 is a deficient number, since it is larger than the sum of its proper divisors (6571221214).

13142442422 is an equidigital number, since it uses as much as digits as its factorization.

13142442422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571221213.

The product of its digits is 12288, while the sum is 29.

Adding to 13142442422 its reverse (22424424131), we get a palindrome (35566866553).

The spelling of 13142442422 in words is "thirteen billion, one hundred forty-two million, four hundred forty-two thousand, four hundred twenty-two".