5516225 has 24 divisors (see below), whose sum is σ = 8041152. Its totient is φ = 3700800.

The previous prime is 5516221. The next prime is 5516237. The reversal of 5516225 is 5226155.

It is not a de Polignac number, because 5516225 - 2² = 5516221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5516194 and 5516203.

It is not an unprimeable number, because it can be changed into a prime (5516221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2804 + ... + 4346.

It is an arithmetic number, because the mean of its divisors is an integer number (335048).

Almost surely, 2^5516225 is an apocalyptic number.

5516225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5516225 is a deficient number, since it is larger than the sum of its proper divisors (2524927).

5516225 is a wasteful number, since it uses less digits than its factorization.

5516225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1572 counting only the distinct ones).

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

The square root of 5516225 is about 2348.6645141442. The cubic root of 5516225 is about 176.6908218228.

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

The spelling of 5516225 in words is "five million, five hundred sixteen thousand, two hundred twenty-five".