3220211724642 has 48 divisors (see below), whose sum is σ = 7614020224512. Its totient is φ = 975487030560.

The previous prime is 3220211724599. The next prime is 3220211724659. The reversal of 3220211724642 is 2464271120223.

3220211724642 is a `hidden beast` number, since 3 + 2 + 2 + 0 + 2 + 1 + 1 + 7 + 2 + 4 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3220211724597 and 3220211724606.

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, 2210178 + ... + 3365309.

It is an arithmetic number, because the mean of its divisors is an integer number (158625421344).

Almost surely, 2^{3220211724642} is an apocalyptic number.

3220211724642 is an abundant number, since it is smaller than the sum of its proper divisors (4393808499870).

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

3220211724642 is a wasteful number, since it uses less digits than its factorization.

3220211724642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578423 (or 5578420 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 3220211724642 its reverse (2464271120223), we get a palindrome (5684482844865).

The spelling of 3220211724642 in words is "three trillion, two hundred twenty billion, two hundred eleven million, seven hundred twenty-four thousand, six hundred forty-two".