13222071 has 12 divisors (see below), whose sum is σ = 19217848. Its totient is φ = 8759664.

The previous prime is 13222067. The next prime is 13222091. The reversal of 13222071 is 17022231.

13222071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13222071 - 2² = 13222067 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 (13222031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3040 + ... + 5973.

Almost surely, 2^13222071 is an apocalyptic number.

13222071 is a deficient number, since it is larger than the sum of its proper divisors (5995777).

13222071 is a wasteful number, since it uses less digits than its factorization.

13222071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182 (or 9179 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13222071 is about 3636.2165777082. The cubic root of 13222071 is about 236.4647966708.

The spelling of 13222071 in words is "thirteen million, two hundred twenty-two thousand, seventy-one".