164170022 has 4 divisors (see below), whose sum is σ = 246255036. Its totient is φ = 82085010.

The previous prime is 164170007. The next prime is 164170031. The reversal of 164170022 is 220071461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220071461 = 809 ⋅272029.

It is a super-2 number, since 2×164170022² = 53903592246960968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164170022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41042504 + ... + 41042507.

It is an arithmetic number, because the mean of its divisors is an integer number (61563759).

Almost surely, 2^164170022 is an apocalyptic number.

164170022 is a deficient number, since it is larger than the sum of its proper divisors (82085014).

164170022 is an equidigital number, since it uses as much as digits as its factorization.

164170022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82085013.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 164170022 is about 12812.8849990937. The cubic root of 164170022 is about 547.5594586635.

The spelling of 164170022 in words is "one hundred sixty-four million, one hundred seventy thousand, twenty-two".