2002223987 has 2 divisors, whose sum is σ = 2002223988. Its totient is φ = 2002223986.

The previous prime is 2002223969. The next prime is 2002224013. The reversal of 2002223987 is 7893222002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002223987 - 2⁸ = 2002223731 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002223947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001111993 + 1001111994.

It is an arithmetic number, because the mean of its divisors is an integer number (1001111994).

Almost surely, 2^2002223987 is an apocalyptic number.

2002223987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002223987 is an equidigital number, since it uses as much as digits as its factorization.

2002223987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2002223987 is about 44746.2175719915. The cubic root of 2002223987 is about 1260.3878849044.

Adding to 2002223987 its reverse (7893222002), we get a palindrome (9895445989).

The spelling of 2002223987 in words is "two billion, two million, two hundred twenty-three thousand, nine hundred eighty-seven".