11228125 has 12 divisors (see below), whose sum is σ = 14038164. Its totient is φ = 8980000.

The previous prime is 11228089. The next prime is 11228167. The reversal of 11228125 is 52182211.

It can be written as a sum of positive squares in 6 ways, for example, as 9998244 + 1229881 = 3162^2 + 1109^2 .

It is not a de Polignac number, because 11228125 - 2¹¹ = 11226077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11228096 and 11228105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (1169847).

Almost surely, 2^11228125 is an apocalyptic number.

It is an amenable number.

11228125 is a deficient number, since it is larger than the sum of its proper divisors (2810039).

11228125 is an frugal number, since it uses more digits than its factorization.

11228125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 3598 counting only the distinct ones).

The product of its digits is 320, while the sum is 22.

The square root of 11228125 is about 3350.8394470640. The cubic root of 11228125 is about 223.9249123856.

The spelling of 11228125 in words is "eleven million, two hundred twenty-eight thousand, one hundred twenty-five".