13022320146 has 16 divisors (see below), whose sum is σ = 28412335008. Its totient is φ = 3946157600.

The previous prime is 13022320141. The next prime is 13022320151. The reversal of 13022320146 is 64102322031.

It is an interprime number because it is at equal distance from previous prime (13022320141) and next prime (13022320151).

It is a super-2 number, since 2×13022320146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13022320141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98653875 + ... + 98654006.

It is an arithmetic number, because the mean of its divisors is an integer number (1775770938).

Almost surely, 2^13022320146 is an apocalyptic number.

13022320146 is an abundant number, since it is smaller than the sum of its proper divisors (15390014862).

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

13022320146 is a wasteful number, since it uses less digits than its factorization.

13022320146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197307897.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13022320146 its reverse (64102322031), we get a palindrome (77124642177).

The spelling of 13022320146 in words is "thirteen billion, twenty-two million, three hundred twenty thousand, one hundred forty-six".