4218522887 has 2 divisors, whose sum is σ = 4218522888. Its totient is φ = 4218522886.

The previous prime is 4218522883. The next prime is 4218522901. The reversal of 4218522887 is 7882258124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4218522887 - 2² = 4218522883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4218522883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109261443 + 2109261444.

It is an arithmetic number, because the mean of its divisors is an integer number (2109261444).

Almost surely, 2^4218522887 is an apocalyptic number.

4218522887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218522887 is an equidigital number, since it uses as much as digits as its factorization.

4218522887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 573440, while the sum is 47.

The square root of 4218522887 is about 64950.1569436133. The cubic root of 4218522887 is about 1615.7970214406.

The spelling of 4218522887 in words is "four billion, two hundred eighteen million, five hundred twenty-two thousand, eight hundred eighty-seven".