5520221197 has 2 divisors, whose sum is σ = 5520221198. Its totient is φ = 5520221196.

The previous prime is 5520221171. The next prime is 5520221219. The reversal of 5520221197 is 7911220255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4593992841 + 926228356 = 67779^2 + 30434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5520221197 is a prime.

It is a super-2 number, since 2×5520221197² = 60945684127616225618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5520221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760110598 + 2760110599.

It is an arithmetic number, because the mean of its divisors is an integer number (2760110599).

Almost surely, 2^5520221197 is an apocalyptic number.

It is an amenable number.

5520221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5520221197 is an equidigital number, since it uses as much as digits as its factorization.

5520221197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 5520221197 is about 74298.1910748842. The cubic root of 5520221197 is about 1767.3347906830.

The spelling of 5520221197 in words is "five billion, five hundred twenty million, two hundred twenty-one thousand, one hundred ninety-seven".