4425522220 has 36 divisors (see below), whose sum is σ = 10810920960. Its totient is φ = 1517321568.

The previous prime is 4425522217. The next prime is 4425522221. The reversal of 4425522220 is 222255244.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (4425522221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2256940 + ... + 2258899.

It is an arithmetic number, because the mean of its divisors is an integer number (300303360).

Almost surely, 2^4425522220 is an apocalyptic number.

It is an amenable number.

4425522220 is an abundant number, since it is smaller than the sum of its proper divisors (6385398740).

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

4425522220 is a wasteful number, since it uses less digits than its factorization.

4425522220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515862 (or 4515853 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 4425522220 is about 66524.5986083343. The cubic root of 4425522220 is about 1641.8047527550.

Adding to 4425522220 its reverse (222255244), we get a palindrome (4647777464).

The spelling of 4425522220 in words is "four billion, four hundred twenty-five million, five hundred twenty-two thousand, two hundred twenty".