13222329478 has 4 divisors (see below), whose sum is σ = 19833494220. Its totient is φ = 6611164738.

The previous prime is 13222329457. The next prime is 13222329487. The reversal of 13222329478 is 87492322231.

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

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, 3305582368 + ... + 3305582371.

It is an arithmetic number, because the mean of its divisors is an integer number (4958373555).

Almost surely, 2^13222329478 is an apocalyptic number.

13222329478 is a deficient number, since it is larger than the sum of its proper divisors (6611164742).

13222329478 is an equidigital number, since it uses as much as digits as its factorization.

13222329478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611164741.

The product of its digits is 290304, while the sum is 43.

The spelling of 13222329478 in words is "thirteen billion, two hundred twenty-two million, three hundred twenty-nine thousand, four hundred seventy-eight".