162221206 has 8 divisors (see below), whose sum is σ = 278093520. Its totient is φ = 69523368.

The previous prime is 162221203. The next prime is 162221219. The reversal of 162221206 is 602122261.

162221206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×162221206³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162221203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5793601 + ... + 5793628.

It is an arithmetic number, because the mean of its divisors is an integer number (34761690).

Almost surely, 2^162221206 is an apocalyptic number.

162221206 is a deficient number, since it is larger than the sum of its proper divisors (115872314).

162221206 is a wasteful number, since it uses less digits than its factorization.

162221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11587238.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 162221206 is about 12736.6088893394. The cubic root of 162221206 is about 545.3841872094.

Adding to 162221206 its reverse (602122261), we get a palindrome (764343467).

It can be divided in two parts, 16 and 2221206, that added together give a palindrome (2221222).

The spelling of 162221206 in words is "one hundred sixty-two million, two hundred twenty-one thousand, two hundred six".