5222006021 has 2 divisors, whose sum is σ = 5222006022. Its totient is φ = 5222006020.

The previous prime is 5222006003. The next prime is 5222006029. The reversal of 5222006021 is 1206002225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2940892900 + 2281113121 = 54230^2 + 47761^2 .

It is a cyclic number.

It is not a de Polignac number, because 5222006021 - 2²⁶ = 5154897157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5222005984 and 5222006002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5222006029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2611003010 + 2611003011.

It is an arithmetic number, because the mean of its divisors is an integer number (2611003011).

Almost surely, 2^5222006021 is an apocalyptic number.

It is an amenable number.

5222006021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5222006021 is an equidigital number, since it uses as much as digits as its factorization.

5222006021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5222006021 is about 72263.4487206361. The cubic root of 5222006021 is about 1734.9186784575.

Adding to 5222006021 its reverse (1206002225), we get a palindrome (6428008246).

The spelling of 5222006021 in words is "five billion, two hundred twenty-two million, six thousand, twenty-one".