169326228 has 48 divisors (see below), whose sum is σ = 407018304. Its totient is φ = 54754560.

The previous prime is 169326173. The next prime is 169326229. The reversal of 169326228 is 822623961.

It is a happy number.

169326228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169326229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96051 + ... + 97797.

It is an arithmetic number, because the mean of its divisors is an integer number (8479548).

Almost surely, 2^169326228 is an apocalyptic number.

It is an amenable number.

169326228 is an abundant number, since it is smaller than the sum of its proper divisors (237692076).

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

169326228 is a wasteful number, since it uses less digits than its factorization.

169326228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1990 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 169326228 is about 13012.5411814910. The cubic root of 169326228 is about 553.2330004693.

The spelling of 169326228 in words is "one hundred sixty-nine million, three hundred twenty-six thousand, two hundred twenty-eight".