5222435221 has 4 divisors (see below), whose sum is σ = 5333550912. Its totient is φ = 5111319532.

The previous prime is 5222435219. The next prime is 5222435227. The reversal of 5222435221 is 1225342225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5222435221 - 2¹ = 5222435219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5222435221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5222435227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55557775 + ... + 55557868.

It is an arithmetic number, because the mean of its divisors is an integer number (1333387728).

Almost surely, 2^5222435221 is an apocalyptic number.

It is an amenable number.

5222435221 is a deficient number, since it is larger than the sum of its proper divisors (111115691).

5222435221 is a wasteful number, since it uses less digits than its factorization.

5222435221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111115690.

The product of its digits is 9600, while the sum is 28.

The square root of 5222435221 is about 72266.4183490506. The cubic root of 5222435221 is about 1734.9662085123.

Adding to 5222435221 its reverse (1225342225), we get a palindrome (6447777446).

The spelling of 5222435221 in words is "five billion, two hundred twenty-two million, four hundred thirty-five thousand, two hundred twenty-one".