4221002087 has 2 divisors, whose sum is σ = 4221002088. Its totient is φ = 4221002086.

The previous prime is 4221002083. The next prime is 4221002117. The reversal of 4221002087 is 7802001224.

4221002087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221002087 - 2² = 4221002083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221002081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110501043 + 2110501044.

It is an arithmetic number, because the mean of its divisors is an integer number (2110501044).

Almost surely, 2^4221002087 is an apocalyptic number.

4221002087 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221002087 is an equidigital number, since it uses as much as digits as its factorization.

4221002087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4221002087 is about 64969.2395445722. The cubic root of 4221002087 is about 1616.1134907826.

The spelling of 4221002087 in words is "four billion, two hundred twenty-one million, two thousand, eighty-seven".