120422220 has 48 divisors (see below), whose sum is σ = 357019488. Its totient is φ = 30223360.

The previous prime is 120422213. The next prime is 120422243. The reversal of 120422220 is 22224021.

It is a super-2 number, since 2×120422220² = 29003022139456800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120422220.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 58011 + ... + 60050.

It is an arithmetic number, because the mean of its divisors is an integer number (7437906).

Almost surely, 2^120422220 is an apocalyptic number.

120422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120422220 is an abundant number, since it is smaller than the sum of its proper divisors (236597268).

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

120422220 is a wasteful number, since it uses less digits than its factorization.

120422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118090 (or 118088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 120422220 is about 10973.7058462490. The cubic root of 120422220 is about 493.8202288611.

Adding to 120422220 its reverse (22224021), we get a palindrome (142646241).

The spelling of 120422220 in words is "one hundred twenty million, four hundred twenty-two thousand, two hundred twenty".