3665622344 has 8 divisors (see below), whose sum is σ = 6873041910. Its totient is φ = 1832811168.

The previous prime is 3665622319. The next prime is 3665622347. The reversal of 3665622344 is 4432265663.

It can be written as a sum of positive squares in only one way, i.e., 2856902500 + 808719844 = 53450^2 + 28438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3665622347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229101389 + ... + 229101404.

Almost surely, 2^3665622344 is an apocalyptic number.

It is an amenable number.

3665622344 is a deficient number, since it is larger than the sum of its proper divisors (3207419566).

3665622344 is a wasteful number, since it uses less digits than its factorization.

3665622344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458202799 (or 458202795 counting only the distinct ones).

The product of its digits is 622080, while the sum is 41.

The square root of 3665622344 is about 60544.3832572436. The cubic root of 3665622344 is about 1541.8752587192.

The spelling of 3665622344 in words is "three billion, six hundred sixty-five million, six hundred twenty-two thousand, three hundred forty-four".