22022120987 has 2 divisors, whose sum is σ = 22022120988. Its totient is φ = 22022120986.

The previous prime is 22022120971. The next prime is 22022120999. The reversal of 22022120987 is 78902122022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22022120987 - 2⁴ = 22022120971 is a prime.

It is not a weakly prime, because it can be changed into another prime (22022120947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011060493 + 11011060494.

It is an arithmetic number, because the mean of its divisors is an integer number (11011060494).

Almost surely, 2^22022120987 is an apocalyptic number.

22022120987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022120987 is an equidigital number, since it uses as much as digits as its factorization.

22022120987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 22022120987 in words is "twenty-two billion, twenty-two million, one hundred twenty thousand, nine hundred eighty-seven".