4223445252220 has 24 divisors (see below), whose sum is σ = 9175070721600. Its totient is φ = 1631123683392.

The previous prime is 4223445252197. The next prime is 4223445252263. The reversal of 4223445252220 is 222525443224.

It is a self number, because there is not a number n which added to its sum of digits gives 4223445252220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3640900500 + ... + 3640901659.

It is an arithmetic number, because the mean of its divisors is an integer number (382294613400).

Almost surely, 2^{4223445252220} is an apocalyptic number.

It is an amenable number.

4223445252220 is an abundant number, since it is smaller than the sum of its proper divisors (4951625469380).

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

4223445252220 is a wasteful number, since it uses less digits than its factorization.

4223445252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281802197 (or 7281802195 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

The spelling of 4223445252220 in words is "four trillion, two hundred twenty-three billion, four hundred forty-five million, two hundred fifty-two thousand, two hundred twenty".