2225128 has 16 divisors (see below), whose sum is σ = 4392000. Its totient is φ = 1053936.

The previous prime is 2225123. The next prime is 2225159. The reversal of 2225128 is 8215222.

It is a junction number, because it is equal to n+sod(n) for n = 2225099 and 2225108.

It is not an unprimeable number, because it can be changed into a prime (2225123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7168 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (274500).

2^2225128 is an apocalyptic number.

It is an amenable number.

2225128 is a deficient number, since it is larger than the sum of its proper divisors (2166872).

2225128 is a wasteful number, since it uses less digits than its factorization.

2225128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664 (or 14660 counting only the distinct ones).

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

The square root of 2225128 is about 1491.6862940981. The cubic root of 2225128 is about 130.5524419424.

The spelling of 2225128 in words is "two million, two hundred twenty-five thousand, one hundred twenty-eight".