4391520222 has 32 divisors (see below), whose sum is σ = 8822497824. Its totient is φ = 1457280000.

The previous prime is 4391520197. The next prime is 4391520227. The reversal of 4391520222 is 2220251934.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4391520222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391520227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444488 + ... + 1447524.

It is an arithmetic number, because the mean of its divisors is an integer number (275703057).

Almost surely, 2^4391520222 is an apocalyptic number.

4391520222 is an abundant number, since it is smaller than the sum of its proper divisors (4430977602).

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

4391520222 is a wasteful number, since it uses less digits than its factorization.

4391520222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4391520222 is about 66268.5462493331. The cubic root of 4391520222 is about 1637.5891880952.

The spelling of 4391520222 in words is "four billion, three hundred ninety-one million, five hundred twenty thousand, two hundred twenty-two".