5221222101 has 24 divisors (see below), whose sum is σ = 7683137280. Its totient is φ = 3416096736.

The previous prime is 5221222081. The next prime is 5221222109. The reversal of 5221222101 is 1012221225.

5221222101 is a `hidden beast` number, since 522 + 122 + 21 + 0 + 1 = 666.

It is not a de Polignac number, because 5221222101 - 2⁶ = 5221222037 is a prime.

It is a super-2 number, since 2×5221222101² = 54522320455941708402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221222109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96751 + ... + 140723.

It is an arithmetic number, because the mean of its divisors is an integer number (320130720).

Almost surely, 2^5221222101 is an apocalyptic number.

It is an amenable number.

5221222101 is a deficient number, since it is larger than the sum of its proper divisors (2461915179).

5221222101 is a wasteful number, since it uses less digits than its factorization.

5221222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44225 (or 44222 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 5221222101 is about 72258.0244747945. The cubic root of 5221222101 is about 1734.8318596177.

Adding to 5221222101 its reverse (1012221225), we get a palindrome (6233443326).

The spelling of 5221222101 in words is "five billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred one".