13022122 has 8 divisors (see below), whose sum is σ = 19548900. Its totient is φ = 6505824.

The previous prime is 13022099. The next prime is 13022129. The reversal of 13022122 is 22122031.

It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 1792921 = 3351^2 + 1339^2 .

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

It is a super-2 number, since 2×13022122² = 339151322765768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13022129) 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 3 ways as a sum of consecutive naturals, for example, 2454 + ... + 5662.

Almost surely, 2^13022122 is an apocalyptic number.

13022122 is a deficient number, since it is larger than the sum of its proper divisors (6526778).

13022122 is a wasteful number, since it uses less digits than its factorization.

13022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240.

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

The square root of 13022122 is about 3608.6177409086. The cubic root of 13022122 is about 235.2667681275.

Adding to 13022122 its reverse (22122031), we get a palindrome (35144153).

Subtracting 13022122 from its reverse (22122031), we obtain a palindrome (9099909).

The spelling of 13022122 in words is "thirteen million, twenty-two thousand, one hundred twenty-two".