13642344226 has 32 divisors (see below), whose sum is σ = 23860518912. Its totient is φ = 5729225040.

The previous prime is 13642344197. The next prime is 13642344239. The reversal of 13642344226 is 62244324631.

It is a super-2 number, since 2×13642344226² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141085 + ... + 217231.

It is an arithmetic number, because the mean of its divisors is an integer number (745641216).

Almost surely, 2^13642344226 is an apocalyptic number.

13642344226 is a deficient number, since it is larger than the sum of its proper divisors (10218174686).

13642344226 is a wasteful number, since it uses less digits than its factorization.

13642344226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76414.

The product of its digits is 165888, while the sum is 37.

Adding to 13642344226 its reverse (62244324631), we get a palindrome (75886668857).

The spelling of 13642344226 in words is "thirteen billion, six hundred forty-two million, three hundred forty-four thousand, two hundred twenty-six".