99220853 has 2 divisors, whose sum is σ = 99220854. Its totient is φ = 99220852.

The previous prime is 99220843. The next prime is 99220967. The reversal of 99220853 is 35802299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98863249 + 357604 = 9943^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 99220853 - 2¹² = 99216757 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99220843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49610426 + 49610427.

It is an arithmetic number, because the mean of its divisors is an integer number (49610427).

Almost surely, 2^99220853 is an apocalyptic number.

It is an amenable number.

99220853 is a deficient number, since it is larger than the sum of its proper divisors (1).

99220853 is an equidigital number, since it uses as much as digits as its factorization.

99220853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 99220853 is about 9960.9664691736. The cubic root of 99220853 is about 462.9502455449.

The spelling of 99220853 in words is "ninety-nine million, two hundred twenty thousand, eight hundred fifty-three".