170690228 has 12 divisors (see below), whose sum is σ = 300713700. Its totient is φ = 84772032.

The previous prime is 170690227. The next prime is 170690329. The reversal of 170690228 is 822096071.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99760144 + 70930084 = 9988^2 + 8422^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170690227) 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, 142601 + ... + 143792.

It is an arithmetic number, because the mean of its divisors is an integer number (25059475).

Almost surely, 2^170690228 is an apocalyptic number.

It is an amenable number.

170690228 is a deficient number, since it is larger than the sum of its proper divisors (130023472).

170690228 is a wasteful number, since it uses less digits than its factorization.

170690228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286546 (or 286544 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 170690228 is about 13064.8470331650. The cubic root of 170690228 is about 554.7145441124.

The spelling of 170690228 in words is "one hundred seventy million, six hundred ninety thousand, two hundred twenty-eight".