4221057056224 has 96 divisors (see below), whose sum is σ = 8911472169600. Its totient is φ = 1962107297280.

The previous prime is 4221057056219. The next prime is 4221057056261. The reversal of 4221057056224 is 4226507501224.

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, 20379874 + ... + 20585950.

It is an arithmetic number, because the mean of its divisors is an integer number (92827835100).

Almost surely, 2^{4221057056224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221057056224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4455736084800).

4221057056224 is an abundant number, since it is smaller than the sum of its proper divisors (4690415113376).

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

4221057056224 is a wasteful number, since it uses less digits than its factorization.

4221057056224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206736 (or 206728 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 4221057056224 in words is "four trillion, two hundred twenty-one billion, fifty-seven million, fifty-six thousand, two hundred twenty-four".