13066222 has 16 divisors (see below), whose sum is σ = 21222432. Its totient is φ = 5997600.

The previous prime is 13066177. The next prime is 13066223. The reversal of 13066222 is 22266031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13066193 and 13066202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066223) 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, 3847 + ... + 6397.

It is an arithmetic number, because the mean of its divisors is an integer number (1326402).

Almost surely, 2^13066222 is an apocalyptic number.

13066222 is a deficient number, since it is larger than the sum of its proper divisors (8156210).

13066222 is a wasteful number, since it uses less digits than its factorization.

13066222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13066222 is about 3614.7229492729. The cubic root of 13066222 is about 235.5320493764.

The spelling of 13066222 in words is "thirteen million, sixty-six thousand, two hundred twenty-two".