222020311087 has 2 divisors, whose sum is σ = 222020311088. Its totient is φ = 222020311086.

The previous prime is 222020311067. The next prime is 222020311109. The reversal of 222020311087 is 780113020222.

222020311087 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 is a cyclic number.

It is not a de Polignac number, because 222020311087 - 2⁷ = 222020310959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222020311057) 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, 111010155543 + 111010155544.

It is an arithmetic number, because the mean of its divisors is an integer number (111010155544).

Almost surely, 2^222020311087 is an apocalyptic number.

222020311087 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020311087 is an equidigital number, since it uses as much as digits as its factorization.

222020311087 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 spelling of 222020311087 in words is "two hundred twenty-two billion, twenty million, three hundred eleven thousand, eighty-seven".