2515228 has 12 divisors (see below), whose sum is σ = 4553640. Its totient is φ = 1214192.

The previous prime is 2515193. The next prime is 2515237. The reversal of 2515228 is 8225152.

It is a congruent number.

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, 10726 + ... + 10957.

It is an arithmetic number, because the mean of its divisors is an integer number (379470).

2^2515228 is an apocalyptic number.

It is an amenable number.

2515228 is a deficient number, since it is larger than the sum of its proper divisors (2038412).

2515228 is a wasteful number, since it uses less digits than its factorization.

2515228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21716 (or 21714 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2515228 is about 1585.9470356856. The cubic root of 2515228 is about 135.9958908793.

The spelling of 2515228 in words is "two million, five hundred fifteen thousand, two hundred twenty-eight".