4012224660 has 36 divisors (see below), whose sum is σ = 12170415348. Its totient is φ = 1069926528.

The previous prime is 4012224659. The next prime is 4012224691. The reversal of 4012224660 is 664222104.

4012224660 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 459587844 + 3552636816 = 21438^2 + 59604^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11144889 + ... + 11145248.

It is an arithmetic number, because the mean of its divisors is an integer number (338067093).

Almost surely, 2^4012224660 is an apocalyptic number.

It is an amenable number.

4012224660 is an abundant number, since it is smaller than the sum of its proper divisors (8158190688).

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

4012224660 is a wasteful number, since it uses less digits than its factorization.

4012224660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22290152 (or 22290147 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4012224660 is about 63342.1238987137. The cubic root of 4012224660 is about 1589.0165272099.

Adding to 4012224660 its reverse (664222104), we get a palindrome (4676446764).

The spelling of 4012224660 in words is "four billion, twelve million, two hundred twenty-four thousand, six hundred sixty".