120243222 has 96 divisors (see below), whose sum is σ = 301466880. Its totient is φ = 34292160.

The previous prime is 120243217. The next prime is 120243223. The reversal of 120243222 is 222342021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120243195 and 120243204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120243223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246663 + ... + 247149.

It is an arithmetic number, because the mean of its divisors is an integer number (3140280).

Almost surely, 2^120243222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120243222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150733440).

120243222 is an abundant number, since it is smaller than the sum of its proper divisors (181223658).

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

120243222 is a wasteful number, since it uses less digits than its factorization.

120243222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120243222 is about 10965.5470451775. The cubic root of 120243222 is about 493.5754327711.

Adding to 120243222 its reverse (222342021), we get a palindrome (342585243).

It can be divided in two parts, 120 and 243222, that added together give a palindrome (243342).

The spelling of 120243222 in words is "one hundred twenty million, two hundred forty-three thousand, two hundred twenty-two".