220852369 has 2 divisors, whose sum is σ = 220852370. Its totient is φ = 220852368.

The previous prime is 220852349. The next prime is 220852381. The reversal of 220852369 is 963258022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215502400 + 5349969 = 14680^2 + 2313^2 .

It is a cyclic number.

It is not a de Polignac number, because 220852369 - 2⁷ = 220852241 is a prime.

It is a super-2 number, since 2×220852369² = 97551537785824322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220852309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110426184 + 110426185.

It is an arithmetic number, because the mean of its divisors is an integer number (110426185).

Almost surely, 2^220852369 is an apocalyptic number.

It is an amenable number.

220852369 is a deficient number, since it is larger than the sum of its proper divisors (1).

220852369 is an equidigital number, since it uses as much as digits as its factorization.

220852369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 220852369 is about 14861.1025499456. The cubic root of 220852369 is about 604.4597038664.

The spelling of 220852369 in words is "two hundred twenty million, eight hundred fifty-two thousand, three hundred sixty-nine".