169922028 has 54 divisors (see below), whose sum is σ = 409878532. Its totient is φ = 54789280.

The previous prime is 169922023. The next prime is 169922029. The reversal of 169922028 is 820229961.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (169922023) 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 17 ways as a sum of consecutive naturals, for example, 2393233 + ... + 2393303.

Almost surely, 2^169922028 is an apocalyptic number.

It is an amenable number.

169922028 is an abundant number, since it is smaller than the sum of its proper divisors (239956504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169922028 is an equidigital number, since it uses as much as digits as its factorization.

169922028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 169922028 is about 13035.4143777634. The cubic root of 169922028 is about 553.8811189523.

The spelling of 169922028 in words is "one hundred sixty-nine million, nine hundred twenty-two thousand, twenty-eight".