22244466887987 has 2 divisors, whose sum is σ = 22244466887988. Its totient is φ = 22244466887986.

The previous prime is 22244466887953. The next prime is 22244466888001. The reversal of 22244466887987 is 78978866444222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22244466887987 - 2²⁶ = 22244399779123 is a prime.

It is not a weakly prime, because it can be changed into another prime (22244466887887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122233443993 + 11122233443994.

It is an arithmetic number, because the mean of its divisors is an integer number (11122233443994).

Almost surely, 2^{22244466887987} is an apocalyptic number.

22244466887987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244466887987 is an equidigital number, since it uses as much as digits as its factorization.

22244466887987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4161798144, while the sum is 77.

The spelling of 22244466887987 in words is "twenty-two trillion, two hundred forty-four billion, four hundred sixty-six million, eight hundred eighty-seven thousand, nine hundred eighty-seven".