13222330440 has 64 divisors (see below), whose sum is σ = 43273085760. Its totient is φ = 3205413120.

The previous prime is 13222330393. The next prime is 13222330447. The reversal of 13222330440 is 4403322231.

It is a super-3 number, since 3×13222330440³ (a number of 31 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13222330440.

It is not an unprimeable number, because it can be changed into a prime (13222330447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5007139 + ... + 5009778.

It is an arithmetic number, because the mean of its divisors is an integer number (676141965).

Almost surely, 2^13222330440 is an apocalyptic number.

13222330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222330440 is an abundant number, since it is smaller than the sum of its proper divisors (30050755320).

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

13222330440 is a wasteful number, since it uses less digits than its factorization.

13222330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016942 (or 10016938 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13222330440 its reverse (4403322231), we get a palindrome (17625652671).

The spelling of 13222330440 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty thousand, four hundred forty".