4224646 has 4 divisors (see below), whose sum is σ = 6336972. Its totient is φ = 2112322.

The previous prime is 4224637. The next prime is 4224667. The reversal of 4224646 is 6464224.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 2⁵ + 2¹¹ + 4⁷ + 6 + 4¹¹ + 6⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056160 + ... + 1056163.

It is an arithmetic number, because the mean of its divisors is an integer number (1584243).

Almost surely, 2^4224646 is an apocalyptic number.

4224646 is a deficient number, since it is larger than the sum of its proper divisors (2112326).

4224646 is a wasteful number, since it uses less digits than its factorization.

4224646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112325.

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

The square root of 4224646 is about 2055.3943660524. The cubic root of 4224646 is about 161.6578410647.

The spelling of 4224646 in words is "four million, two hundred twenty-four thousand, six hundred forty-six".