3631222039 has 2 divisors, whose sum is σ = 3631222040. Its totient is φ = 3631222038.

The previous prime is 3631222033. The next prime is 3631222051. The reversal of 3631222039 is 9302221363.

It is a weak prime.

It is an emirp because it is prime and its reverse (9302221363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3631222039 - 2⁷ = 3631221911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3631222039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3631222033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815611019 + 1815611020.

It is an arithmetic number, because the mean of its divisors is an integer number (1815611020).

Almost surely, 2^3631222039 is an apocalyptic number.

3631222039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3631222039 is an equidigital number, since it uses as much as digits as its factorization.

3631222039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 3631222039 is about 60259.6219619738. The cubic root of 3631222039 is about 1537.0368104717.

The spelling of 3631222039 in words is "three billion, six hundred thirty-one million, two hundred twenty-two thousand, thirty-nine".