5221100420 has 24 divisors (see below), whose sum is σ = 11219296704. Its totient is φ = 2039871456.

The previous prime is 5221100399. The next prime is 5221100431. The reversal of 5221100420 is 240011225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034664 + ... + 3036383.

It is an arithmetic number, because the mean of its divisors is an integer number (467470696).

Almost surely, 2^5221100420 is an apocalyptic number.

It is an amenable number.

5221100420 is an abundant number, since it is smaller than the sum of its proper divisors (5998196284).

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

5221100420 is a wasteful number, since it uses less digits than its factorization.

5221100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071099 (or 6071097 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 5221100420 is about 72257.1824803597. The cubic root of 5221100420 is about 1734.8183827145.

Adding to 5221100420 its reverse (240011225), we get a palindrome (5461111645).

The spelling of 5221100420 in words is "five billion, two hundred twenty-one million, one hundred thousand, four hundred twenty".