5212222500 has 240 divisors, whose sum is σ = 16234803200. Its totient is φ = 1297296000.

The previous prime is 5212222489. The next prime is 5212222501. The reversal of 5212222500 is 52222125.

It is not an unprimeable number, because it can be changed into a prime (5212222501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11257269 + ... + 11257731.

Almost surely, 2^5212222500 is an apocalyptic number.

5212222500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5212222500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8117401600).

5212222500 is an abundant number, since it is smaller than the sum of its proper divisors (11022580700).

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

5212222500 is a wasteful number, since it uses less digits than its factorization.

5212222500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5212222500 is about 72195.7235575626. The cubic root of 5212222500 is about 1733.8345341379.

Adding to 5212222500 its reverse (52222125), we get a palindrome (5264444625).

The spelling of 5212222500 in words is "five billion, two hundred twelve million, two hundred twenty-two thousand, five hundred".