162112222 has 4 divisors (see below), whose sum is σ = 243168336. Its totient is φ = 81056110.

The previous prime is 162112217. The next prime is 162112231. The reversal of 162112222 is 222211261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222211261 = 2081 ⋅106781.

It is a self number, because there is not a number n which added to its sum of digits gives 162112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40528054 + ... + 40528057.

It is an arithmetic number, because the mean of its divisors is an integer number (60792084).

Almost surely, 2^162112222 is an apocalyptic number.

162112222 is a deficient number, since it is larger than the sum of its proper divisors (81056114).

162112222 is an equidigital number, since it uses as much as digits as its factorization.

162112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81056113.

The product of its digits is 192, while the sum is 19.

The square root of 162112222 is about 12732.3297946605. The cubic root of 162112222 is about 545.2620258978.

Adding to 162112222 its reverse (222211261), we get a palindrome (384323483).

The spelling of 162112222 in words is "one hundred sixty-two million, one hundred twelve thousand, two hundred twenty-two".