4227644 has 6 divisors (see below), whose sum is σ = 7398384. Its totient is φ = 2113820.

The previous prime is 4227637. The next prime is 4227659. The reversal of 4227644 is 4467224.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 528452 + ... + 528459.

It is an arithmetic number, because the mean of its divisors is an integer number (1233064).

Almost surely, 2^4227644 is an apocalyptic number.

It is an amenable number.

4227644 is a deficient number, since it is larger than the sum of its proper divisors (3170740).

4227644 is a wasteful number, since it uses less digits than its factorization.

4227644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056915 (or 1056913 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 4227644 is about 2056.1235371446. The cubic root of 4227644 is about 161.6960719295.

The spelling of 4227644 in words is "four million, two hundred twenty-seven thousand, six hundred forty-four".