170922493 has 8 divisors (see below), whose sum is σ = 196323200. Its totient is φ = 145767600.

The previous prime is 170922431. The next prime is 170922517. The reversal of 170922493 is 394229071.

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

It is a cyclic number.

It is not a de Polignac number, because 170922493 - 2¹³ = 170914301 is a prime.

It is a super-2 number, since 2×170922493² = 58428997226670098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170925493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59958 + ... + 62743.

It is an arithmetic number, because the mean of its divisors is an integer number (24540400).

Almost surely, 2^170922493 is an apocalyptic number.

It is an amenable number.

170922493 is a deficient number, since it is larger than the sum of its proper divisors (25400707).

170922493 is a wasteful number, since it uses less digits than its factorization.

170922493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122907.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 170922493 is about 13073.7329405186. The cubic root of 170922493 is about 554.9660374748.

The spelling of 170922493 in words is "one hundred seventy million, nine hundred twenty-two thousand, four hundred ninety-three".