169000228 has 12 divisors (see below), whose sum is σ = 308609280. Its totient is φ = 80826152.

The previous prime is 169000219. The next prime is 169000229. The reversal of 169000228 is 822000961.

It is a happy number.

It is a super-2 number, since 2×169000228² = 57122154128103968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169000196 and 169000205.

It is not an unprimeable number, because it can be changed into a prime (169000229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918388 + ... + 918571.

It is an arithmetic number, because the mean of its divisors is an integer number (25717440).

Almost surely, 2^169000228 is an apocalyptic number.

It is an amenable number.

169000228 is a deficient number, since it is larger than the sum of its proper divisors (139609052).

169000228 is a wasteful number, since it uses less digits than its factorization.

169000228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836986 (or 1836984 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 169000228 is about 13000.0087692278. The cubic root of 169000228 is about 552.8777299991.

The spelling of 169000228 in words is "one hundred sixty-nine million, two hundred twenty-eight", and thus it is an aban number.