10504228 has 18 divisors (see below), whose sum is σ = 21384006. Its totient is φ = 4501728.

The previous prime is 10504217. The next prime is 10504253. The reversal of 10504228 is 82240501.

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 1695204 = 2968^2 + 1302^2 .

It is a super-2 number, since 2×10504228² = 220677611751968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10504199 and 10504208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26601 + ... + 26992.

Almost surely, 2^10504228 is an apocalyptic number.

It is an amenable number.

10504228 is an abundant number, since it is smaller than the sum of its proper divisors (10879778).

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

10504228 is a wasteful number, since it uses less digits than its factorization.

10504228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53611 (or 53602 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 10504228 is about 3241.0226781064. The cubic root of 10504228 is about 219.0053444899.

Adding to 10504228 its reverse (82240501), we get a palindrome (92744729).

The spelling of 10504228 in words is "ten million, five hundred four thousand, two hundred twenty-eight".