13226422678 has 8 divisors (see below), whose sum is σ = 22673867472. Its totient is φ = 5668466856.

The previous prime is 13226422673. The next prime is 13226422679. The reversal of 13226422678 is 87622462231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13226422678² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226422673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472372225 + ... + 472372252.

It is an arithmetic number, because the mean of its divisors is an integer number (2834233434).

Almost surely, 2^13226422678 is an apocalyptic number.

13226422678 is a deficient number, since it is larger than the sum of its proper divisors (9447444794).

13226422678 is an equidigital number, since it uses as much as digits as its factorization.

13226422678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944744486.

The product of its digits is 387072, while the sum is 43.

The spelling of 13226422678 in words is "thirteen billion, two hundred twenty-six million, four hundred twenty-two thousand, six hundred seventy-eight".