22323344320440 has 96 divisors (see below), whose sum is σ = 72551628817200. Its totient is φ = 5952829478400.

The previous prime is 22323344320427. The next prime is 22323344320441. The reversal of 22323344320440 is 4402344332322.

22323344320440 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 3 + 3 + 443 + 204 + 4 + 0 = 666.

It is a super-3 number, since 3×22323344320440³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22323344320395 and 22323344320404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323344320441) 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, 41611915 + ... + 42144965.

Almost surely, 2^{22323344320440} is an apocalyptic number.

22323344320440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22323344320440 is an abundant number, since it is smaller than the sum of its proper divisors (50228284496760).

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

22323344320440 is a wasteful number, since it uses less digits than its factorization.

22323344320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649397 (or 649390 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 22323344320440 its reverse (4402344332322), we get a palindrome (26725688652762).

The spelling of 22323344320440 in words is "twenty-two trillion, three hundred twenty-three billion, three hundred forty-four million, three hundred twenty thousand, four hundred forty".