10391228 has 24 divisors (see below), whose sum is σ = 18998784. Its totient is φ = 4968000.

The previous prime is 10391221. The next prime is 10391279. The reversal of 10391228 is 82219301.

It is a junction number, because it is equal to n+sod(n) for n = 10391197 and 10391206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391221) 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, 8453 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (791616).

Almost surely, 2^10391228 is an apocalyptic number.

It is an amenable number.

10391228 is a deficient number, since it is larger than the sum of its proper divisors (8607556).

10391228 is a wasteful number, since it uses less digits than its factorization.

10391228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10391228 is about 3223.5427715481. The cubic root of 10391228 is about 218.2171894884.

The spelling of 10391228 in words is "ten million, three hundred ninety-one thousand, two hundred twenty-eight".