2255516 has 12 divisors (see below), whose sum is σ = 3958080. Its totient is φ = 1124640.

The previous prime is 2255507. The next prime is 2255549. The reversal of 2255516 is 6155522.

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, 1781 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (329840).

2^2255516 is an apocalyptic number.

It is an amenable number.

2255516 is a deficient number, since it is larger than the sum of its proper divisors (1702564).

2255516 is a wasteful number, since it uses less digits than its factorization.

2255516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1562 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 2255516 is about 1501.8375411475. The cubic root of 2255516 is about 131.1440638761.

It can be divided in two parts, 225 and 5516, that multiplied together give a triangular number (1241100 = T₁₅₇₅).

The spelling of 2255516 in words is "two million, two hundred fifty-five thousand, five hundred sixteen".