120221444 has 12 divisors (see below), whose sum is σ = 240442944. Its totient is φ = 51523464.

The previous prime is 120221429. The next prime is 120221447. The reversal of 120221444 is 444122021.

120221444 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (120221447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146784 + ... + 2146839.

It is an arithmetic number, because the mean of its divisors is an integer number (20036912).

Almost surely, 2^120221444 is an apocalyptic number.

120221444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120221444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120221444 is a wasteful number, since it uses less digits than its factorization.

120221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293634 (or 4293632 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 120221444 is about 10964.5539808968. The cubic root of 120221444 is about 493.5456327967.

Adding to 120221444 its reverse (444122021), we get a palindrome (564343465).

The spelling of 120221444 in words is "one hundred twenty million, two hundred twenty-one thousand, four hundred forty-four".