4222539787 has 2 divisors, whose sum is σ = 4222539788. Its totient is φ = 4222539786.

The previous prime is 4222539779. The next prime is 4222539799. The reversal of 4222539787 is 7879352224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4222539787 - 2³ = 4222539779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4222539787.

It is not a weakly prime, because it can be changed into another prime (4222539767) 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, 2111269893 + 2111269894.

It is an arithmetic number, because the mean of its divisors is an integer number (2111269894).

Almost surely, 2^4222539787 is an apocalyptic number.

4222539787 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222539787 is an equidigital number, since it uses as much as digits as its factorization.

4222539787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 4222539787 is about 64981.0725288526. The cubic root of 4222539787 is about 1616.3097155931.

The spelling of 4222539787 in words is "four billion, two hundred twenty-two million, five hundred thirty-nine thousand, seven hundred eighty-seven".