120031222 has 4 divisors (see below), whose sum is σ = 180046836.
Its totient is φ = 60015610.
The previous prime is 120031213. The next prime is 120031229. The reversal of 120031222 is 222130021.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120031229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30007804 + ... + 30007807.
It is an arithmetic number, because the mean of its divisors is an integer number (45011709).
Almost surely, 2120031222 is an apocalyptic number.
120031222 is a deficient number, since it is larger than the sum of its proper divisors (60015614).
120031222 is an equidigital number, since it uses as much as digits as its factorization.
120031222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60015613.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 120031222 is about 10955.8761402272.
The cubic root of 120031222 is about 493.2851889752.
Adding to 120031222 its reverse (222130021), we get a palindrome (342161243).
It can be divided in two parts, 12003 and 1222, that added together give a square (13225 = 1152).
The spelling of 120031222 in words is "one hundred twenty million, thirty-one thousand, two hundred twenty-two".