4226644 has 12 divisors (see below), whose sum is σ = 7536564. Its totient is φ = 2073344.

The previous prime is 4226623. The next prime is 4226647. The reversal of 4226644 is 4466224.

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 2371600 = 1362^2 + 1540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9757 + ... + 10180.

It is an arithmetic number, because the mean of its divisors is an integer number (628047).

Almost surely, 2^4226644 is an apocalyptic number.

It is an amenable number.

4226644 is a deficient number, since it is larger than the sum of its proper divisors (3309920).

4226644 is a wasteful number, since it uses less digits than its factorization.

4226644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19994 (or 19992 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 4226644 is about 2055.8803467128. The cubic root of 4226644 is about 161.6833218159.

The spelling of 4226644 in words is "four million, two hundred twenty-six thousand, six hundred forty-four".