3445221302444 has 12 divisors (see below), whose sum is σ = 6037862518968. Its totient is φ = 1720117725600.

The previous prime is 3445221302437. The next prime is 3445221302447. The reversal of 3445221302444 is 4442031225443.

It is a junction number, because it is equal to n+sod(n) for n = 3445221302398 and 3445221302407.

It is not an unprimeable number, because it can be changed into a prime (3445221302447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623228297 + ... + 623233824.

It is an arithmetic number, because the mean of its divisors is an integer number (503155209914).

Almost surely, 2^{3445221302444} is an apocalyptic number.

It is an amenable number.

3445221302444 is a deficient number, since it is larger than the sum of its proper divisors (2592641216524).

3445221302444 is a wasteful number, since it uses less digits than its factorization.

3445221302444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246462816 (or 1246462814 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 3445221302444 its reverse (4442031225443), we get a palindrome (7887252527887).

The spelling of 3445221302444 in words is "three trillion, four hundred forty-five billion, two hundred twenty-one million, three hundred two thousand, four hundred forty-four".