3622438865 has 16 divisors (see below), whose sum is σ = 4500619200. Its totient is φ = 2795658432.

The previous prime is 3622438801. The next prime is 3622438867. The reversal of 3622438865 is 5688342263.

It is a cyclic number.

It is not a de Polignac number, because 3622438865 - 2⁶ = 3622438801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3622438867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172634 + ... + 192476.

It is an arithmetic number, because the mean of its divisors is an integer number (281288700).

Almost surely, 2^3622438865 is an apocalyptic number.

It is an amenable number.

3622438865 is a deficient number, since it is larger than the sum of its proper divisors (878180335).

3622438865 is a wasteful number, since it uses less digits than its factorization.

3622438865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21136.

The product of its digits is 1658880, while the sum is 47.

The square root of 3622438865 is about 60186.7000673737. The cubic root of 3622438865 is about 1535.7965520616.

The spelling of 3622438865 in words is "three billion, six hundred twenty-two million, four hundred thirty-eight thousand, eight hundred sixty-five".