219182742 has 12 divisors (see below), whose sum is σ = 474895980. Its totient is φ = 73060908.

The previous prime is 219182737. The next prime is 219182749. The reversal of 219182742 is 247281912.

219182742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 219182697 and 219182706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219182749) 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 5 ways as a sum of consecutive naturals, for example, 6088392 + ... + 6088427.

It is an arithmetic number, because the mean of its divisors is an integer number (39574665).

Almost surely, 2^219182742 is an apocalyptic number.

219182742 is an abundant number, since it is smaller than the sum of its proper divisors (255713238).

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

219182742 is a wasteful number, since it uses less digits than its factorization.

219182742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176827 (or 12176824 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 219182742 is about 14804.8215794720. The cubic root of 219182742 is about 602.9326261532.

The spelling of 219182742 in words is "two hundred nineteen million, one hundred eighty-two thousand, seven hundred forty-two".