4220144424 has 24 divisors (see below), whose sum is σ = 11429558010. Its totient is φ = 1406714784.

The previous prime is 4220144419. The next prime is 4220144437. The reversal of 4220144424 is 4244410224.

4220144424 is a `hidden beast` number, since 4 + 220 + 14 + 4 + 424 = 666.

4220144424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3245580900 + 974563524 = 56970^2 + 31218^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29306487 + ... + 29306630.

Almost surely, 2^4220144424 is an apocalyptic number.

It is an amenable number.

4220144424 is an abundant number, since it is smaller than the sum of its proper divisors (7209413586).

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

4220144424 is a wasteful number, since it uses less digits than its factorization.

4220144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58613129 (or 58613122 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4220144424 is about 64962.6386779355. The cubic root of 4220144424 is about 1616.0040243095.

Adding to 4220144424 its reverse (4244410224), we get a palindrome (8464554648).

The spelling of 4220144424 in words is "four billion, two hundred twenty million, one hundred forty-four thousand, four hundred twenty-four".