4422220452 has 36 divisors (see below), whose sum is σ = 12038268060. Its totient is φ = 1360683072.

The previous prime is 4422220423. The next prime is 4422220457. The reversal of 4422220452 is 2540222244.

It can be written as a sum of positive squares in 2 ways, for example, as 2530492416 + 1891728036 = 50304^2 + 43494^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (4422220457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4724127 + ... + 4725062.

It is an arithmetic number, because the mean of its divisors is an integer number (334396335).

Almost surely, 2^4422220452 is an apocalyptic number.

It is an amenable number.

4422220452 is an abundant number, since it is smaller than the sum of its proper divisors (7616047608).

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

4422220452 is a wasteful number, since it uses less digits than its factorization.

4422220452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449212 (or 9449207 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 4422220452 is about 66499.7778342154. Note that the first 3 decimals coincide. The cubic root of 4422220452 is about 1641.3963484428.

Adding to 4422220452 its reverse (2540222244), we get a palindrome (6962442696).

The spelling of 4422220452 in words is "four billion, four hundred twenty-two million, two hundred twenty thousand, four hundred fifty-two".