7170228 has 48 divisors (see below), whose sum is σ = 20023360. Its totient is φ = 2205792.

The previous prime is 7170199. The next prime is 7170253. The reversal of 7170228 is 8220717.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150 + ... + 3957.

Almost surely, 2^7170228 is an apocalyptic number.

7170228 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7170228 is an abundant number, since it is smaller than the sum of its proper divisors (12853132).

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

7170228 is a wasteful number, since it uses less digits than its factorization.

7170228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133 (or 5125 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 7170228 is about 2677.7281415409. The cubic root of 7170228 is about 192.8313559878.

The spelling of 7170228 in words is "seven million, one hundred seventy thousand, two hundred twenty-eight".