2505228 has 24 divisors (see below), whose sum is σ = 6377280. Its totient is φ = 759120.

The previous prime is 2505227. The next prime is 2505247. The reversal of 2505228 is 8225052.

It is a junction number, because it is equal to n+sod(n) for n = 2505198 and 2505207.

It is not an unprimeable number, because it can be changed into a prime (2505227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9358 + ... + 9621.

It is an arithmetic number, because the mean of its divisors is an integer number (265720).

2^2505228 is an apocalyptic number.

It is an amenable number.

2505228 is an abundant number, since it is smaller than the sum of its proper divisors (3872052).

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

2505228 is a wasteful number, since it uses less digits than its factorization.

2505228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18997 (or 18995 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2505228 is about 1582.7912054342. The cubic root of 2505228 is about 135.8154214612.

The spelling of 2505228 in words is "two million, five hundred five thousand, two hundred twenty-eight".