162219842 has 8 divisors (see below), whose sum is σ = 248507136. Its totient is φ = 79384132.

The previous prime is 162219839. The next prime is 162219857. The reversal of 162219842 is 248912261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 862778 + ... + 862965.

It is an arithmetic number, because the mean of its divisors is an integer number (31063392).

Almost surely, 2^162219842 is an apocalyptic number.

162219842 is a deficient number, since it is larger than the sum of its proper divisors (86287294).

162219842 is a wasteful number, since it uses less digits than its factorization.

162219842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725792.

The product of its digits is 13824, while the sum is 35.

The square root of 162219842 is about 12736.5553427919. Note that the first 3 decimals coincide. The cubic root of 162219842 is about 545.3826586256.

The spelling of 162219842 in words is "one hundred sixty-two million, two hundred nineteen thousand, eight hundred forty-two".