22221323210087 has 2 divisors, whose sum is σ = 22221323210088. Its totient is φ = 22221323210086.

The previous prime is 22221323209973. The next prime is 22221323210117. The reversal of 22221323210087 is 78001232312222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221323210087 - 2⁸ = 22221323209831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221323210287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110661605043 + 11110661605044.

It is an arithmetic number, because the mean of its divisors is an integer number (11110661605044).

Almost surely, 2^{22221323210087} is an apocalyptic number.

22221323210087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221323210087 is an equidigital number, since it uses as much as digits as its factorization.

22221323210087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 22221323210087 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred ten thousand, eighty-seven".