5226221 has 32 divisors (see below), whose sum is σ = 7354368. Its totient is φ = 3579840.

The previous prime is 5226211. The next prime is 5226227. The reversal of 5226221 is 1226225.

It is a de Polignac number, because none of the positive numbers 2^k-5226221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5226193 and 5226202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5226227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22910 + ... + 23136.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

Almost surely, 2^5226221 is an apocalyptic number.

It is an amenable number.

5226221 is a deficient number, since it is larger than the sum of its proper divisors (2128147).

5226221 is a wasteful number, since it uses less digits than its factorization.

5226221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its digits is 480, while the sum is 20.

The square root of 5226221 is about 2286.0929552404. The cubic root of 5226221 is about 173.5385336875.

The spelling of 5226221 in words is "five million, two hundred twenty-six thousand, two hundred twenty-one".