2545228 has 12 divisors (see below), whose sum is σ = 5090512. Its totient is φ = 1090800.

The previous prime is 2545211. The next prime is 2545237. The reversal of 2545228 is 8225452.

2545228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2545228 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 90901 = 2545228 / (2 + 5 + 4 + 5 + 2 + 2 + 8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2545196 and 2545205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45423 + ... + 45478.

2^2545228 is an apocalyptic number.

2545228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2545228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2545228 is a wasteful number, since it uses less digits than its factorization.

2545228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90912 (or 90910 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 2545228 is about 1595.3770714160. The cubic root of 2545228 is about 136.5344454569.

The spelling of 2545228 in words is "two million, five hundred forty-five thousand, two hundred twenty-eight".