3885520021722 has 24 divisors (see below), whose sum is σ = 8418866156064. Its totient is φ = 1295136503304.

The previous prime is 3885520021703. The next prime is 3885520021759. The reversal of 3885520021722 is 2271200255883.

3885520021722 is a `hidden beast` number, since 3 + 8 + 8 + 552 + 0 + 0 + 21 + 72 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2415558 + ... + 3688625.

It is an arithmetic number, because the mean of its divisors is an integer number (350786089836).

Almost surely, 2^{3885520021722} is an apocalyptic number.

3885520021722 is an abundant number, since it is smaller than the sum of its proper divisors (4533346134342).

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

3885520021722 is a wasteful number, since it uses less digits than its factorization.

3885520021722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139554 (or 6139551 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 3885520021722 in words is "three trillion, eight hundred eighty-five billion, five hundred twenty million, twenty-one thousand, seven hundred twenty-two".