7425228 has 24 divisors (see below), whose sum is σ = 18079488. Its totient is φ = 2367376.

The previous prime is 7425227. The next prime is 7425233. The reversal of 7425228 is 8225247.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7425195 and 7425204.

It is not an unprimeable number, because it can be changed into a prime (7425227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13176 + ... + 13727.

It is an arithmetic number, because the mean of its divisors is an integer number (753312).

Almost surely, 2^7425228 is an apocalyptic number.

It is an amenable number.

7425228 is an abundant number, since it is smaller than the sum of its proper divisors (10654260).

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

7425228 is a wasteful number, since it uses less digits than its factorization.

7425228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26933 (or 26931 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 7425228 is about 2724.9271549897. The cubic root of 7425228 is about 195.0907138749.

The spelling of 7425228 in words is "seven million, four hundred twenty-five thousand, two hundred twenty-eight".