3220440442444 has 12 divisors (see below), whose sum is σ = 5635790172544. Its totient is φ = 1610214678864.

The previous prime is 3220440442403. The next prime is 3220440442459. The reversal of 3220440442444 is 4442440440223.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98389 + ... + 2539795.

Almost surely, 2^{3220440442444} is an apocalyptic number.

It is an amenable number.

3220440442444 is a deficient number, since it is larger than the sum of its proper divisors (2415349730100).

3220440442444 is a wasteful number, since it uses less digits than its factorization.

3220440442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771184 (or 2771182 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 3220440442444 its reverse (4442440440223), we get a palindrome (7662880882667).

The spelling of 3220440442444 in words is "three trillion, two hundred twenty billion, four hundred forty million, four hundred forty-two thousand, four hundred forty-four".