165346222 has 8 divisors (see below), whose sum is σ = 249541416. Its totient is φ = 82165752.

The previous prime is 165346213. The next prime is 165346231. The reversal of 165346222 is 222643561.

It is an interprime number because it is at equal distance from previous prime (165346213) and next prime (165346231).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253273 + ... + 253924.

It is an arithmetic number, because the mean of its divisors is an integer number (31192677).

Almost surely, 2^165346222 is an apocalyptic number.

165346222 is a deficient number, since it is larger than the sum of its proper divisors (84195194).

165346222 is a wasteful number, since it uses less digits than its factorization.

165346222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507362.

The product of its digits is 17280, while the sum is 31.

The square root of 165346222 is about 12858.7021895680. The cubic root of 165346222 is about 548.8640156542.

Adding to 165346222 its reverse (222643561), we get a palindrome (387989783).

The spelling of 165346222 in words is "one hundred sixty-five million, three hundred forty-six thousand, two hundred twenty-two".