7628228 has 12 divisors (see below), whose sum is σ = 13576080. Its totient is φ = 3749352.

The previous prime is 7628221. The next prime is 7628251. The reversal of 7628228 is 8228267.

It is not an unprimeable number, because it can be changed into a prime (7628221) 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 3 ways as a sum of consecutive naturals, for example, 15926 + ... + 16397.

It is an arithmetic number, because the mean of its divisors is an integer number (1131340).

Almost surely, 2^7628228 is an apocalyptic number.

It is an amenable number.

7628228 is a deficient number, since it is larger than the sum of its proper divisors (5947852).

7628228 is a wasteful number, since it uses less digits than its factorization.

7628228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32386 (or 32384 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 7628228 is about 2761.9246912253. The cubic root of 7628228 is about 196.8526301282.

The spelling of 7628228 in words is "seven million, six hundred twenty-eight thousand, two hundred twenty-eight".