7165228 has 24 divisors (see below), whose sum is σ = 15174432. Its totient is φ = 2889984.

The previous prime is 7165199. The next prime is 7165253. The reversal of 7165228 is 8225617.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7165228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7051 + ... + 8002.

It is an arithmetic number, because the mean of its divisors is an integer number (632268).

Almost surely, 2^7165228 is an apocalyptic number.

It is an amenable number.

7165228 is an abundant number, since it is smaller than the sum of its proper divisors (8009204).

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

7165228 is a wasteful number, since it uses less digits than its factorization.

7165228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15081 (or 15079 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 7165228 is about 2676.7943514585. The cubic root of 7165228 is about 192.7865233373.

The spelling of 7165228 in words is "seven million, one hundred sixty-five thousand, two hundred twenty-eight".