13222210320 has 120 divisors (see below), whose sum is σ = 48441399552. Its totient is φ = 3205382400.

The previous prime is 13222210319. The next prime is 13222210327. The reversal of 13222210320 is 2301222231.

13222210320 is a `hidden beast` number, since 1 + 322 + 2 + 21 + 0 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13222210293 and 13222210302.

It is not an unprimeable number, because it can be changed into a prime (13222210327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826816 + ... + 842655.

Almost surely, 2^13222210320 is an apocalyptic number.

13222210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222210320 is an abundant number, since it is smaller than the sum of its proper divisors (35219189232).

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

13222210320 is a wasteful number, since it uses less digits than its factorization.

13222210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669501 (or 1669492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13222210320 its reverse (2301222231), we get a palindrome (15523432551).

The spelling of 13222210320 in words is "thirteen billion, two hundred twenty-two million, two hundred ten thousand, three hundred twenty".