4013230221 has 96 divisors (see below), whose sum is σ = 8052145920. Its totient is φ = 1857945600.

The previous prime is 4013230211. The next prime is 4013230241. The reversal of 4013230221 is 1220323104.

4013230221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4013230221 - 2⁷ = 4013230093 is a prime.

It is a super-2 number, since 2×4013230221² = 32212033613495417682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4013230194 and 4013230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013230211) 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, 253581 + ... + 268941.

It is an arithmetic number, because the mean of its divisors is an integer number (83876520).

Almost surely, 2^4013230221 is an apocalyptic number.

It is an amenable number.

4013230221 is an abundant number, since it is smaller than the sum of its proper divisors (4038915699).

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

4013230221 is a wasteful number, since it uses less digits than its factorization.

4013230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15427 (or 15424 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4013230221 is about 63350.0609391972. The cubic root of 4013230221 is about 1589.1492648401.

Adding to 4013230221 its reverse (1220323104), we get a palindrome (5233553325).

The spelling of 4013230221 in words is "four billion, thirteen million, two hundred thirty thousand, two hundred twenty-one".