13227072221 has 8 divisors (see below), whose sum is σ = 14591664000. Its totient is φ = 11889502240.

The previous prime is 13227072181. The next prime is 13227072223. The reversal of 13227072221 is 12227072231.

It is a happy number.

13227072221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-13227072221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227072223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6754421 + ... + 6756378.

It is an arithmetic number, because the mean of its divisors is an integer number (1823958000).

Almost surely, 2^13227072221 is an apocalyptic number.

13227072221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13227072221 is a deficient number, since it is larger than the sum of its proper divisors (1364591779).

13227072221 is a wasteful number, since it uses less digits than its factorization.

13227072221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510899.

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 13227072221 in words is "thirteen billion, two hundred twenty-seven million, seventy-two thousand, two hundred twenty-one".