170252228 has 6 divisors (see below), whose sum is σ = 297941406. Its totient is φ = 85126112.

The previous prime is 170252221. The next prime is 170252231. The reversal of 170252228 is 822252071.

170252228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 143233024 + 27019204 = 11968^2 + 5198^2 .

It is a super-2 number, since 2×170252228² = 57971642277927968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 170252228.

It is not an unprimeable number, because it can be changed into a prime (170252221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21281525 + ... + 21281532.

It is an arithmetic number, because the mean of its divisors is an integer number (49656901).

Almost surely, 2^170252228 is an apocalyptic number.

It is an amenable number.

170252228 is a deficient number, since it is larger than the sum of its proper divisors (127689178).

170252228 is a wasteful number, since it uses less digits than its factorization.

170252228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42563061 (or 42563059 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 170252228 is about 13048.0737275661. The cubic root of 170252228 is about 554.2396622358.

The spelling of 170252228 in words is "one hundred seventy million, two hundred fifty-two thousand, two hundred twenty-eight".