2223430987 has 2 divisors, whose sum is σ = 2223430988. Its totient is φ = 2223430986.

The previous prime is 2223430981. The next prime is 2223431033. The reversal of 2223430987 is 7890343222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2223430987 - 2¹¹ = 2223428939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223430981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111715493 + 1111715494.

It is an arithmetic number, because the mean of its divisors is an integer number (1111715494).

Almost surely, 2^2223430987 is an apocalyptic number.

2223430987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223430987 is an equidigital number, since it uses as much as digits as its factorization.

2223430987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 2223430987 is about 47153.2712226840. The cubic root of 2223430987 is about 1305.1924452078.

The spelling of 2223430987 in words is "two billion, two hundred twenty-three million, four hundred thirty thousand, nine hundred eighty-seven".