22230120 has 96 divisors (see below), whose sum is σ = 73352160. Its totient is φ = 5385600.

The previous prime is 22230119. The next prime is 22230149. The reversal of 22230120 is 2103222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22230096 and 22230105.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13755 + ... + 15285.

It is an arithmetic number, because the mean of its divisors is an integer number (764085).

Almost surely, 2^22230120 is an apocalyptic number.

22230120 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 22230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36676080).

22230120 is an abundant number, since it is smaller than the sum of its proper divisors (51122040).

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

22230120 is a wasteful number, since it uses less digits than its factorization.

22230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22230120 is about 4714.8828193286. The cubic root of 22230120 is about 281.1775240412.

Adding to 22230120 its reverse (2103222), we get a palindrome (24333342).

The spelling of 22230120 in words is "twenty-two million, two hundred thirty thousand, one hundred twenty".