5223350221 has 4 divisors (see below), whose sum is σ = 5224902172. Its totient is φ = 5221798272.

The previous prime is 5223350219. The next prime is 5223350233. The reversal of 5223350221 is 1220533225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5114252196 + 109098025 = 71514^2 + 10445^2 .

It is a cyclic number.

It is not a de Polignac number, because 5223350221 - 2¹ = 5223350219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223350291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770916 + ... + 777661.

It is an arithmetic number, because the mean of its divisors is an integer number (1306225543).

Almost surely, 2^5223350221 is an apocalyptic number.

It is an amenable number.

5223350221 is a deficient number, since it is larger than the sum of its proper divisors (1551951).

5223350221 is a wasteful number, since it uses less digits than its factorization.

5223350221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551950.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5223350221 is about 72272.7488130900. The cubic root of 5223350221 is about 1735.0675278719.

Adding to 5223350221 its reverse (1220533225), we get a palindrome (6443883446).

The spelling of 5223350221 in words is "five billion, two hundred twenty-three million, three hundred fifty thousand, two hundred twenty-one".