4140233221 has 2 divisors, whose sum is σ = 4140233222. Its totient is φ = 4140233220.

The previous prime is 4140233183. The next prime is 4140233239. The reversal of 4140233221 is 1223320414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4138992225 + 1240996 = 64335^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4140233221 - 2⁷ = 4140233093 is a prime.

It is a super-2 number, since 2×4140233221² = 34283062248544069682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4140233192 and 4140233201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140233291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070116610 + 2070116611.

It is an arithmetic number, because the mean of its divisors is an integer number (2070116611).

Almost surely, 2^4140233221 is an apocalyptic number.

It is an amenable number.

4140233221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140233221 is an equidigital number, since it uses as much as digits as its factorization.

4140233221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4140233221 is about 64344.6440739243. The cubic root of 4140233221 is about 1605.7389248369.

Adding to 4140233221 its reverse (1223320414), we get a palindrome (5363553635).

The spelling of 4140233221 in words is "four billion, one hundred forty million, two hundred thirty-three thousand, two hundred twenty-one".