4450622220 has 384 divisors, whose sum is σ = 15658997760. Its totient is φ = 1040256000.

The previous prime is 4450622207. The next prime is 4450622221. The reversal of 4450622220 is 222260544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4450622221) 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 127 ways as a sum of consecutive naturals, for example, 25726054 + ... + 25726226.

It is an arithmetic number, because the mean of its divisors is an integer number (40778640).

Almost surely, 2^4450622220 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 4450622220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7829498880).

4450622220 is an abundant number, since it is smaller than the sum of its proper divisors (11208375540).

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

4450622220 is a wasteful number, since it uses less digits than its factorization.

4450622220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4450622220 is about 66712.9838936919. The cubic root of 4450622220 is about 1644.9028154323.

Adding to 4450622220 its reverse (222260544), we get a palindrome (4672882764).

The spelling of 4450622220 in words is "four billion, four hundred fifty million, six hundred twenty-two thousand, two hundred twenty".