5221730 has 16 divisors (see below), whose sum is σ = 9484344. Its totient is φ = 2069760.

The previous prime is 5221729. The next prime is 5221757. The reversal of 5221730 is 371225.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 2968729 = 1501^2 + 1723^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 3440.

Almost surely, 2^5221730 is an apocalyptic number.

5221730 is a deficient number, since it is larger than the sum of its proper divisors (4262614).

5221730 is a wasteful number, since it uses less digits than its factorization.

5221730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5221730 is about 2285.1105006104. The cubic root of 5221730 is about 173.4888110229.

Adding to 5221730 its reverse (371225), we get a palindrome (5592955).

The spelling of 5221730 in words is "five million, two hundred twenty-one thousand, seven hundred thirty".