319242220 has 48 divisors (see below), whose sum is σ = 732614400. Its totient is φ = 115888320.

The previous prime is 319242211. The next prime is 319242221. The reversal of 319242220 is 22242913.

It is not an unprimeable number, because it can be changed into a prime (319242221) 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 in 15 ways as a sum of consecutive naturals, for example, 201391 + ... + 202969.

It is an arithmetic number, because the mean of its divisors is an integer number (15262800).

Almost surely, 2^319242220 is an apocalyptic number.

It is an amenable number.

319242220 is an abundant number, since it is smaller than the sum of its proper divisors (413372180).

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

319242220 is a wasteful number, since it uses less digits than its factorization.

319242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 319242220 is about 17867.3506709865. The cubic root of 319242220 is about 683.4500412730.

The spelling of 319242220 in words is "three hundred nineteen million, two hundred forty-two thousand, two hundred twenty".