22201232239987 has 2 divisors, whose sum is σ = 22201232239988. Its totient is φ = 22201232239986.

The previous prime is 22201232239981. The next prime is 22201232240009. The reversal of 22201232239987 is 78993223210222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22201232239987 - 2³⁵ = 22166872501619 is a prime.

It is not a weakly prime, because it can be changed into another prime (22201232239981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100616119993 + 11100616119994.

It is an arithmetic number, because the mean of its divisors is an integer number (11100616119994).

Almost surely, 2^{22201232239987} is an apocalyptic number.

22201232239987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201232239987 is an equidigital number, since it uses as much as digits as its factorization.

22201232239987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 22201232239987 in words is "twenty-two trillion, two hundred one billion, two hundred thirty-two million, two hundred thirty-nine thousand, nine hundred eighty-seven".