4405231 has 2 divisors, whose sum is σ = 4405232. Its totient is φ = 4405230.

The previous prime is 4405217. The next prime is 4405243. The reversal of 4405231 is 1325044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4405231 - 2⁵ = 4405199 is a prime.

It is a super-2 number, since 2×4405231² = 38812120326722, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4405199 and 4405208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4405031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202615 + 2202616.

It is an arithmetic number, because the mean of its divisors is an integer number (2202616).

Almost surely, 2^4405231 is an apocalyptic number.

4405231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405231 is an equidigital number, since it uses as much as digits as its factorization.

4405231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4405231 is about 2098.8642166658. The cubic root of 4405231 is about 163.9291658209.

It can be divided in two parts, 440 and 5231, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 4405231 in words is "four million, four hundred five thousand, two hundred thirty-one".