22321120 has 48 divisors (see below), whose sum is σ = 53621568. Its totient is φ = 8778240.

The previous prime is 22321093. The next prime is 22321127. The reversal of 22321120 is 2112322.

It is a super-3 number, since 3×22321120³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8617 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^22321120 is an apocalyptic number.

22321120 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 22321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26810784).

22321120 is an abundant number, since it is smaller than the sum of its proper divisors (31300448).

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

22321120 is a wasteful number, since it uses less digits than its factorization.

22321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22321120 is about 4724.5232563720. The cubic root of 22321120 is about 281.5606726674.

Adding to 22321120 its reverse (2112322), we get a palindrome (24433442).

The spelling of 22321120 in words is "twenty-two million, three hundred twenty-one thousand, one hundred twenty".