5304420221 has 2 divisors, whose sum is σ = 5304420222. Its totient is φ = 5304420220.

The previous prime is 5304420197. The next prime is 5304420229. The reversal of 5304420221 is 1220244035.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5150932900 + 153487321 = 71770^2 + 12389^2 .

It is a cyclic number.

It is not a de Polignac number, because 5304420221 - 2⁶ = 5304420157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5304420229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652210110 + 2652210111.

It is an arithmetic number, because the mean of its divisors is an integer number (2652210111).

Almost surely, 2^5304420221 is an apocalyptic number.

It is an amenable number.

5304420221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5304420221 is an equidigital number, since it uses as much as digits as its factorization.

5304420221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5304420221 is about 72831.4507681949. The cubic root of 5304420221 is about 1743.9979656089.

Adding to 5304420221 its reverse (1220244035), we get a palindrome (6524664256).

The spelling of 5304420221 in words is "five billion, three hundred four million, four hundred twenty thousand, two hundred twenty-one".