3646621022 has 16 divisors (see below), whose sum is σ = 5992816752. Its totient is φ = 1650438720.

The previous prime is 3646621003. The next prime is 3646621039. The reversal of 3646621022 is 2201266463.

It is a self number, because there is not a number n which added to its sum of digits gives 3646621022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350573 + ... + 360824.

It is an arithmetic number, because the mean of its divisors is an integer number (374551047).

Almost surely, 2^3646621022 is an apocalyptic number.

3646621022 is a deficient number, since it is larger than the sum of its proper divisors (2346195730).

3646621022 is a wasteful number, since it uses less digits than its factorization.

3646621022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711643.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 3646621022 is about 60387.2587720291. The cubic root of 3646621022 is about 1539.2064588254.

Adding to 3646621022 its reverse (2201266463), we get a palindrome (5847887485).

The spelling of 3646621022 in words is "three billion, six hundred forty-six million, six hundred twenty-one thousand, twenty-two".