13820444622 has 48 divisors (see below), whose sum is σ = 30257435520. Its totient is φ = 4558707216.

The previous prime is 13820444609. The next prime is 13820444633. The reversal of 13820444622 is 22644402831.

13820444622 is a `hidden beast` number, since 1 + 3 + 8 + 20 + 4 + 4 + 4 + 622 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4334913 + ... + 4338099.

It is an arithmetic number, because the mean of its divisors is an integer number (630363240).

Almost surely, 2^13820444622 is an apocalyptic number.

13820444622 is an abundant number, since it is smaller than the sum of its proper divisors (16436990898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13820444622 is a wasteful number, since it uses less digits than its factorization.

13820444622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637 (or 5634 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 13820444622 in words is "thirteen billion, eight hundred twenty million, four hundred forty-four thousand, six hundred twenty-two".