120222144 has 140 divisors (see below), whose sum is σ = 407409904. Its totient is φ = 34338816.

The previous prime is 120222133. The next prime is 120222149. The reversal of 120222144 is 441222021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34632 + ... + 37944.

Almost surely, 2^120222144 is an apocalyptic number.

120222144 is a gapful number since it is divisible by the number (14) 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 120222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203704952).

120222144 is an abundant number, since it is smaller than the sum of its proper divisors (287187760).

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

120222144 is an equidigital number, since it uses as much as digits as its factorization.

120222144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3325 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 120222144 is about 10964.5859018934. The cubic root of 120222144 is about 493.5465906993.

Adding to 120222144 its reverse (441222021), we get a palindrome (561444165).

The spelling of 120222144 in words is "one hundred twenty million, two hundred twenty-two thousand, one hundred forty-four".