13222427734 has 4 divisors (see below), whose sum is σ = 19833641604. Its totient is φ = 6611213866.

The previous prime is 13222427719. The next prime is 13222427759. The reversal of 13222427734 is 43772422231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13222427693 and 13222427702.

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, 3305606932 + ... + 3305606935.

It is an arithmetic number, because the mean of its divisors is an integer number (4958410401).

Almost surely, 2^13222427734 is an apocalyptic number.

13222427734 is a deficient number, since it is larger than the sum of its proper divisors (6611213870).

13222427734 is an equidigital number, since it uses as much as digits as its factorization.

13222427734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611213869.

The product of its digits is 112896, while the sum is 37.

Adding to 13222427734 its reverse (43772422231), we get a palindrome (56994849965).

The spelling of 13222427734 in words is "thirteen billion, two hundred twenty-two million, four hundred twenty-seven thousand, seven hundred thirty-four".