22223413987 has 2 divisors, whose sum is σ = 22223413988. Its totient is φ = 22223413986.

The previous prime is 22223413957. The next prime is 22223414027. The reversal of 22223413987 is 78931432222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22223413987 is a prime.

It is not a weakly prime, because it can be changed into another prime (22223413907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111706993 + 11111706994.

It is an arithmetic number, because the mean of its divisors is an integer number (11111706994).

Almost surely, 2^22223413987 is an apocalyptic number.

22223413987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223413987 is an equidigital number, since it uses as much as digits as its factorization.

22223413987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The spelling of 22223413987 in words is "twenty-two billion, two hundred twenty-three million, four hundred thirteen thousand, nine hundred eighty-seven".