13020222 has 16 divisors (see below), whose sum is σ = 26595072. Its totient is φ = 4247640.

The previous prime is 13020211. The next prime is 13020223. The reversal of 13020222 is 22202031.

It is a junction number, because it is equal to n+sod(n) for n = 13020198 and 13020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22804 + ... + 23367.

It is an arithmetic number, because the mean of its divisors is an integer number (1662192).

Almost surely, 2^13020222 is an apocalyptic number.

13020222 is an abundant number, since it is smaller than the sum of its proper divisors (13574850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13020222 is a wasteful number, since it uses less digits than its factorization.

13020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46223.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 13020222 is about 3608.3544726094. The cubic root of 13020222 is about 235.2553253278.

Adding to 13020222 its reverse (22202031), we get a palindrome (35222253).

The spelling of 13020222 in words is "thirteen million, twenty thousand, two hundred twenty-two".