13222608 has 160 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 3429888.

The previous prime is 13222603. The next prime is 13222619. The reversal of 13222608 is 80622231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224083 + ... + 224141.

It is an arithmetic number, because the mean of its divisors is an integer number (267840).

Almost surely, 2^13222608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21427200).

13222608 is an abundant number, since it is smaller than the sum of its proper divisors (29631792).

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

13222608 is a wasteful number, since it uses less digits than its factorization.

13222608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 13222608 is about 3636.2904174447. The cubic root of 13222608 is about 236.4679978808.

Adding to 13222608 its reverse (80622231), we get a palindrome (93844839).

The spelling of 13222608 in words is "thirteen million, two hundred twenty-two thousand, six hundred eight".