5221617700 has 72 divisors (see below), whose sum is σ = 12298990592. Its totient is φ = 1912740480.

The previous prime is 5221617691. The next prime is 5221617727. The reversal of 5221617700 is 77161225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149287 + ... + 180913.

Almost surely, 2^5221617700 is an apocalyptic number.

5221617700 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 5221617700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6149495296).

5221617700 is an abundant number, since it is smaller than the sum of its proper divisors (7077372892).

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

5221617700 is a wasteful number, since it uses less digits than its factorization.

5221617700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31781 (or 31774 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 5221617700 is about 72260.7618282564. The cubic root of 5221617700 is about 1734.8756731415.

Adding to 5221617700 its reverse (77161225), we get a palindrome (5298778925).

The spelling of 5221617700 in words is "five billion, two hundred twenty-one million, six hundred seventeen thousand, seven hundred".