169224 has 32 divisors (see below), whose sum is σ = 462240. Its totient is φ = 51200.

The previous prime is 169219. The next prime is 169241. The reversal of 169224 is 422961.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 169194 and 169203.

It is an unprimeable number.

169224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57 + ... + 584.

It is an arithmetic number, because the mean of its divisors is an integer number (14445).

2¹⁶⁹²²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231120).

169224 is an abundant number, since it is smaller than the sum of its proper divisors (293016).

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

169224 is a wasteful number, since it uses less digits than its factorization.

169224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 657 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 169224 is about 411.3684479879. The cubic root of 169224 is about 55.3121642866.

It can be divided in two parts, 169 and 224, that added together give a palindrome (393).

The spelling of 169224 in words is "one hundred sixty-nine thousand, two hundred twenty-four".