10399228 has 24 divisors (see below), whose sum is σ = 21095424. Its totient is φ = 4393200.

The previous prime is 10399217. The next prime is 10399241. The reversal of 10399228 is 82299301.

It is a junction number, because it is equal to n+sod(n) for n = 10399193 and 10399202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (878976).

Almost surely, 2^10399228 is an apocalyptic number.

It is an amenable number.

10399228 is an abundant number, since it is smaller than the sum of its proper divisors (10696196).

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

10399228 is a wasteful number, since it uses less digits than its factorization.

10399228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10399228 is about 3224.7834035792. The cubic root of 10399228 is about 218.2731754830.

The spelling of 10399228 in words is "ten million, three hundred ninety-nine thousand, two hundred twenty-eight".