4002230661 has 96 divisors (see below), whose sum is σ = 7014336000. Its totient is φ = 1995217920.

The previous prime is 4002230657. The next prime is 4002230671. The reversal of 4002230661 is 1660322004.

4002230661 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 is not a de Polignac number, because 4002230661 - 2² = 4002230657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002230671) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2354790 + ... + 2356488.

It is an arithmetic number, because the mean of its divisors is an integer number (73066000).

Almost surely, 2^4002230661 is an apocalyptic number.

It is an amenable number.

4002230661 is a deficient number, since it is larger than the sum of its proper divisors (3012105339).

4002230661 is a wasteful number, since it uses less digits than its factorization.

4002230661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4002230661 is about 63263.1856690761. The cubic root of 4002230661 is about 1587.6960766015.

Adding to 4002230661 its reverse (1660322004), we get a palindrome (5662552665).

The spelling of 4002230661 in words is "four billion, two million, two hundred thirty thousand, six hundred sixty-one".