4218522907 has 2 divisors, whose sum is σ = 4218522908. Its totient is φ = 4218522906.

The previous prime is 4218522901. The next prime is 4218522911. The reversal of 4218522907 is 7092258124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4218522907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4218522907.

It is not a weakly prime, because it can be changed into another prime (4218522901) 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, 2109261453 + 2109261454.

It is an arithmetic number, because the mean of its divisors is an integer number (2109261454).

Almost surely, 2^4218522907 is an apocalyptic number.

4218522907 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218522907 is an equidigital number, since it uses as much as digits as its factorization.

4218522907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 4218522907 is about 64950.1570975775. The cubic root of 4218522907 is about 1615.7970239941.

The spelling of 4218522907 in words is "four billion, two hundred eighteen million, five hundred twenty-two thousand, nine hundred seven".