9800220253 has 2 divisors, whose sum is σ = 9800220254. Its totient is φ = 9800220252.

The previous prime is 9800220211. The next prime is 9800220307. The reversal of 9800220253 is 3520220089.

9800220253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9040776889 + 759443364 = 95083^2 + 27558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9800220253 is a prime.

It is a super-2 number, since 2×9800220253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9800220853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900110126 + 4900110127.

It is an arithmetic number, because the mean of its divisors is an integer number (4900110127).

Almost surely, 2^9800220253 is an apocalyptic number.

It is an amenable number.

9800220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

9800220253 is an equidigital number, since it uses as much as digits as its factorization.

9800220253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 9800220253 is about 98996.0618055082. The cubic root of 9800220253 is about 2139.9909928436.

The spelling of 9800220253 in words is "nine billion, eight hundred million, two hundred twenty thousand, two hundred fifty-three".