22002311312320 has 112 divisors (see below), whose sum is σ = 54288090214560. Its totient is φ = 8483580112896.

The previous prime is 22002311312309. The next prime is 22002311312329. The reversal of 22002311312320 is 2321311320022.

It is a junction number, because it is equal to n+sod(n) for n = 22002311312291 and 22002311312300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002311312329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3754759 + ... + 7622521.

Almost surely, 2^{22002311312320} is an apocalyptic number.

22002311312320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002311312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27144045107280).

22002311312320 is an abundant number, since it is smaller than the sum of its proper divisors (32285778902240).

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

22002311312320 is a wasteful number, since it uses less digits than its factorization.

22002311312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868422 (or 3868412 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22002311312320 its reverse (2321311320022), we get a palindrome (24323622632342).

The spelling of 22002311312320 in words is "twenty-two trillion, two billion, three hundred eleven million, three hundred twelve thousand, three hundred twenty".