7898228 has 24 divisors (see below), whose sum is σ = 15113952. Its totient is φ = 3589344.

The previous prime is 7898221. The next prime is 7898239. The reversal of 7898228 is 8228987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7898221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351 + ... + 4617.

It is an arithmetic number, because the mean of its divisors is an integer number (629748).

Almost surely, 2^7898228 is an apocalyptic number.

It is an amenable number.

7898228 is a deficient number, since it is larger than the sum of its proper divisors (7215724).

7898228 is a wasteful number, since it uses less digits than its factorization.

7898228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351 (or 2349 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 7898228 is about 2810.3786221789. The cubic root of 7898228 is about 199.1482779970.

The spelling of 7898228 in words is "seven million, eight hundred ninety-eight thousand, two hundred twenty-eight".