164221202 has 8 divisors (see below), whose sum is σ = 247363200. Its totient is φ = 81766804.

The previous prime is 164221181. The next prime is 164221217. The reversal of 164221202 is 202122461.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171302 + ... + 172257.

It is an arithmetic number, because the mean of its divisors is an integer number (30920400).

Almost surely, 2^164221202 is an apocalyptic number.

164221202 is a deficient number, since it is larger than the sum of its proper divisors (83141998).

164221202 is a wasteful number, since it uses less digits than its factorization.

164221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343800.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 164221202 is about 12814.8820517397. The cubic root of 164221202 is about 547.6163533005.

Adding to 164221202 its reverse (202122461), we get a palindrome (366343663).

The spelling of 164221202 in words is "one hundred sixty-four million, two hundred twenty-one thousand, two hundred two".