7228275 has 12 divisors (see below), whose sum is σ = 11950872. Its totient is φ = 3855040.

The previous prime is 7228253. The next prime is 7228321. The reversal of 7228275 is 5728227.

It is not a de Polignac number, because 7228275 - 2⁶ = 7228211 is a prime.

7228275 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48114 + ... + 48263.

It is an arithmetic number, because the mean of its divisors is an integer number (995906).

Almost surely, 2^7228275 is an apocalyptic number.

7228275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7228275 is a deficient number, since it is larger than the sum of its proper divisors (4722597).

7228275 is a wasteful number, since it uses less digits than its factorization.

7228275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96390 (or 96385 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 7228275 is about 2688.5451456131. The cubic root of 7228275 is about 193.3503172423.

It can be divided in two parts, 7228 and 275, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 7228275 in words is "seven million, two hundred twenty-eight thousand, two hundred seventy-five".