3221851370044 has 48 divisors (see below), whose sum is σ = 5674158705600. Its totient is φ = 1600697548800.

The previous prime is 3221851369937. The next prime is 3221851370063. The reversal of 3221851370044 is 4400731581223.

It is a junction number, because it is equal to n+sod(n) for n = 3221851369979 and 3221851370006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154370289 + ... + 1154373079.

It is an arithmetic number, because the mean of its divisors is an integer number (118211639700).

Almost surely, 2^{3221851370044} is an apocalyptic number.

It is an amenable number.

3221851370044 is a deficient number, since it is larger than the sum of its proper divisors (2452307335556).

3221851370044 is a wasteful number, since it uses less digits than its factorization.

3221851370044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254 (or 5252 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 3221851370044 in words is "three trillion, two hundred twenty-one billion, eight hundred fifty-one million, three hundred seventy thousand, forty-four".