3645325427722 has 128 divisors (see below), whose sum is σ = 6553973606400. Its totient is φ = 1502027654400.

The previous prime is 3645325427717. The next prime is 3645325427743. The reversal of 3645325427722 is 2277245235463.

It is a super-2 number, since 2×3645325427722² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3645325427722.

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 63 ways as a sum of consecutive naturals, for example, 1942101048 + ... + 1942102924.

It is an arithmetic number, because the mean of its divisors is an integer number (51202918800).

Almost surely, 2^{3645325427722} is an apocalyptic number.

3645325427722 is a deficient number, since it is larger than the sum of its proper divisors (2908648178678).

3645325427722 is a wasteful number, since it uses less digits than its factorization.

3645325427722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292.

The product of its digits is 16934400, while the sum is 52.

The spelling of 3645325427722 in words is "three trillion, six hundred forty-five billion, three hundred twenty-five million, four hundred twenty-seven thousand, seven hundred twenty-two".