5250222420 has 192 divisors, whose sum is σ = 15934980096. Its totient is φ = 1288235520.

The previous prime is 5250222389. The next prime is 5250222427. The reversal of 5250222420 is 242220525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5250222427) 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 63 ways as a sum of consecutive naturals, for example, 3955797 + ... + 3957123.

It is an arithmetic number, because the mean of its divisors is an integer number (82994688).

Almost surely, 2^5250222420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5250222420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7967490048).

5250222420 is an abundant number, since it is smaller than the sum of its proper divisors (10684757676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5250222420 is a wasteful number, since it uses less digits than its factorization.

5250222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 5250222420 is about 72458.4185585084. The cubic root of 5250222420 is about 1738.0378661552.

Adding to 5250222420 its reverse (242220525), we get a palindrome (5492442945).

The spelling of 5250222420 in words is "five billion, two hundred fifty million, two hundred twenty-two thousand, four hundred twenty".