202216087 has 2 divisors, whose sum is σ = 202216088. Its totient is φ = 202216086.

The previous prime is 202216061. The next prime is 202216097. The reversal of 202216087 is 780612202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202216087 - 2²³ = 193827479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202216097) 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, 101108043 + 101108044.

It is an arithmetic number, because the mean of its divisors is an integer number (101108044).

Almost surely, 2^202216087 is an apocalyptic number.

202216087 is a deficient number, since it is larger than the sum of its proper divisors (1).

202216087 is an equidigital number, since it uses as much as digits as its factorization.

202216087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 202216087 is about 14220.2702857576. The cubic root of 202216087 is about 586.9555778621.

Adding to 202216087 its reverse (780612202), we get a palindrome (982828289).

The spelling of 202216087 in words is "two hundred two million, two hundred sixteen thousand, eighty-seven".