7135228 has 18 divisors (see below), whose sum is σ = 12843096. Its totient is φ = 3468528.

The previous prime is 7135217. The next prime is 7135229. The reversal of 7135228 is 8225317.

It is a super-2 number, since 2×7135228² = 101822957223968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁸ + 1 + 3¹⁰ + 5⁴ + 2⁵ + 2²⁰ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 7135196 and 7135205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4825 + ... + 6127.

Almost surely, 2^7135228 is an apocalyptic number.

It is an amenable number.

7135228 is a deficient number, since it is larger than the sum of its proper divisors (5707868).

7135228 is a wasteful number, since it uses less digits than its factorization.

7135228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1342 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 7135228 is about 2671.1847558714. The cubic root of 7135228 is about 192.5170884925.

The spelling of 7135228 in words is "seven million, one hundred thirty-five thousand, two hundred twenty-eight".