169234220 has 12 divisors (see below), whose sum is σ = 355391904. Its totient is φ = 67693680.

The previous prime is 169234211. The next prime is 169234223. The reversal of 169234220 is 22432961.

It is not an unprimeable number, because it can be changed into a prime (169234223) 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 3 ways as a sum of consecutive naturals, for example, 4230836 + ... + 4230875.

It is an arithmetic number, because the mean of its divisors is an integer number (29615992).

Almost surely, 2^169234220 is an apocalyptic number.

169234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169234220 is an abundant number, since it is smaller than the sum of its proper divisors (186157684).

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

169234220 is a wasteful number, since it uses less digits than its factorization.

169234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461720 (or 8461718 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 169234220 is about 13009.0053424541. The cubic root of 169234220 is about 553.1327775939.

The spelling of 169234220 in words is "one hundred sixty-nine million, two hundred thirty-four thousand, two hundred twenty".