22213021323120 has 160 divisors (see below), whose sum is σ = 70405700318208. Its totient is φ = 5790827910144.

The previous prime is 22213021323079. The next prime is 22213021323127. The reversal of 22213021323120 is 2132312031222.

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 (22213021323127) 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, 8769847 + ... + 11015273.

Almost surely, 2^{22213021323120} is an apocalyptic number.

22213021323120 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 22213021323120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35202850159104).

22213021323120 is an abundant number, since it is smaller than the sum of its proper divisors (48192678995088).

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

22213021323120 is a wasteful number, since it uses less digits than its factorization.

22213021323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246367 (or 2246361 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22213021323120 its reverse (2132312031222), we get a palindrome (24345333354342).

The spelling of 22213021323120 in words is "twenty-two trillion, two hundred thirteen billion, twenty-one million, three hundred twenty-three thousand, one hundred twenty".