13015222 has 8 divisors (see below), whose sum is σ = 21297672. Its totient is φ = 5916000.

The previous prime is 13015213. The next prime is 13015241. The reversal of 13015222 is 22251031.

13015222 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 junction number, because it is equal to n+sod(n) for n = 13015196 and 13015205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295779 + ... + 295822.

It is an arithmetic number, because the mean of its divisors is an integer number (2662209).

Almost surely, 2^13015222 is an apocalyptic number.

13015222 is a deficient number, since it is larger than the sum of its proper divisors (8282450).

13015222 is a wasteful number, since it uses less digits than its factorization.

13015222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591614.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13015222 is about 3607.6615694935. The cubic root of 13015222 is about 235.2252073767.

Adding to 13015222 its reverse (22251031), we get a palindrome (35266253).

The spelling of 13015222 in words is "thirteen million, fifteen thousand, two hundred twenty-two".