5523380221 has 2 divisors, whose sum is σ = 5523380222. Its totient is φ = 5523380220.

The previous prime is 5523380201. The next prime is 5523380243. The reversal of 5523380221 is 1220833255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4638972100 + 884408121 = 68110^2 + 29739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5523380221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5523380201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2761690110 + 2761690111.

It is an arithmetic number, because the mean of its divisors is an integer number (2761690111).

Almost surely, 2^5523380221 is an apocalyptic number.

It is an amenable number.

5523380221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5523380221 is an equidigital number, since it uses as much as digits as its factorization.

5523380221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5523380221 is about 74319.4471252310. The cubic root of 5523380221 is about 1767.6718537684.

The spelling of 5523380221 in words is "five billion, five hundred twenty-three million, three hundred eighty thousand, two hundred twenty-one".