3661344222242 has 24 divisors (see below), whose sum is σ = 6396126901164. Its totient is φ = 1567316510592.

The previous prime is 3661344222233. The next prime is 3661344222259. The reversal of 3661344222242 is 2422224431663.

It can be written as a sum of positive squares in 2 ways, for example, as 2548042795081 + 1113301427161 = 1596259^2 + 1055131^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3661344222242.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21713363 + ... + 21881334.

Almost surely, 2^{3661344222242} is an apocalyptic number.

3661344222242 is a deficient number, since it is larger than the sum of its proper divisors (2734782678922).

3661344222242 is a wasteful number, since it uses less digits than its factorization.

3661344222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43595570 (or 43595563 counting only the distinct ones).

The product of its digits is 663552, while the sum is 41.

The spelling of 3661344222242 in words is "three trillion, six hundred sixty-one billion, three hundred forty-four million, two hundred twenty-two thousand, two hundred forty-two".