5621225 has 24 divisors (see below), whose sum is σ = 7350720. Its totient is φ = 4259520.

The previous prime is 5621221. The next prime is 5621243. The reversal of 5621225 is 5221265.

It is not a de Polignac number, because 5621225 - 2² = 5621221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5621225.

It is not an unprimeable number, because it can be changed into a prime (5621221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54524 + ... + 54626.

It is an arithmetic number, because the mean of its divisors is an integer number (306280).

Almost surely, 2^5621225 is an apocalyptic number.

It is an amenable number.

5621225 is a deficient number, since it is larger than the sum of its proper divisors (1729495).

5621225 is a wasteful number, since it uses less digits than its factorization.

5621225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 204 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 5621225 is about 2370.9122716794. The cubic root of 5621225 is about 177.8048718109.

The spelling of 5621225 in words is "five million, six hundred twenty-one thousand, two hundred twenty-five".