489222140 has 48 divisors (see below), whose sum is σ = 1151073504. Its totient is φ = 173088000.

The previous prime is 489222133. The next prime is 489222157. The reversal of 489222140 is 41222984.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 489222097 and 489222106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21911 + ... + 38190.

It is an arithmetic number, because the mean of its divisors is an integer number (23980698).

Almost surely, 2^489222140 is an apocalyptic number.

It is an amenable number.

489222140 is an abundant number, since it is smaller than the sum of its proper divisors (661851364).

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

489222140 is a wasteful number, since it uses less digits than its factorization.

489222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60158 (or 60156 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 489222140 is about 22118.3665762190. The cubic root of 489222140 is about 787.9561224248.

The spelling of 489222140 in words is "four hundred eighty-nine million, two hundred twenty-two thousand, one hundred forty".