4227381 has 12 divisors (see below), whose sum is σ = 6134700. Its totient is φ = 2805120.

The previous prime is 4227371. The next prime is 4227383. The reversal of 4227381 is 1837224.

It can be written as a sum of positive squares in 2 ways, for example, as 3294225 + 933156 = 1815^2 + 966^2 .

It is not a de Polignac number, because 4227381 - 2⁶ = 4227317 is a prime.

It is a super-2 number, since 2×4227381² = 35741500238322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 2³ + 2¹⁵ + 7² + 3⁵ + 8 + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1195 + ... + 3143.

It is an arithmetic number, because the mean of its divisors is an integer number (511225).

Almost surely, 2^4227381 is an apocalyptic number.

It is an amenable number.

4227381 is a deficient number, since it is larger than the sum of its proper divisors (1907319).

4227381 is a wasteful number, since it uses less digits than its factorization.

4227381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2193 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 4227381 is about 2056.0595808488. The cubic root of 4227381 is about 161.6927188445.

The spelling of 4227381 in words is "four million, two hundred twenty-seven thousand, three hundred eighty-one".