13220122 has 8 divisors (see below), whose sum is σ = 20313972. Its totient is φ = 6448800.

The previous prime is 13220117. The next prime is 13220131. The reversal of 13220122 is 22102231.

13220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12809241 + 410881 = 3579^2 + 641^2 .

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

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, 80529 + ... + 80692.

Almost surely, 2^13220122 is an apocalyptic number.

13220122 is a deficient number, since it is larger than the sum of its proper divisors (7093850).

13220122 is a wasteful number, since it uses less digits than its factorization.

13220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161264.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13220122 is about 3635.9485694932. The cubic root of 13220122 is about 236.4531773984.

Adding to 13220122 its reverse (22102231), we get a palindrome (35322353).

The spelling of 13220122 in words is "thirteen million, two hundred twenty thousand, one hundred twenty-two".