2265128 has 16 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 1113136.

The previous prime is 2265101. The next prime is 2265143. The reversal of 2265128 is 8215622.

It is a junction number, because it is equal to n+sod(n) for n = 2265097 and 2265106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

2^2265128 is an apocalyptic number.

It is an amenable number.

2265128 is a deficient number, since it is larger than the sum of its proper divisors (2054872).

2265128 is a wasteful number, since it uses less digits than its factorization.

2265128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864 (or 4860 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 2265128 is about 1505.0342188801. The cubic root of 2265128 is about 131.3300923098.

The spelling of 2265128 in words is "two million, two hundred sixty-five thousand, one hundred twenty-eight".