4223746 has 4 divisors (see below), whose sum is σ = 6335622. Its totient is φ = 2111872.

The previous prime is 4223741. The next prime is 4223753. The reversal of 4223746 is 6473224.

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

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 378225 = 1961^2 + 615^2 .

It is a d-powerful number, because it can be written as 4⁴ + 2³ + 2¹³ + 3⁹ + 7 + 4¹¹ + 6⁴ .

It is not an unprimeable number, because it can be changed into a prime (4223741) 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 as a sum of consecutive naturals, namely, 1055935 + ... + 1055938.

Almost surely, 2^4223746 is an apocalyptic number.

4223746 is a deficient number, since it is larger than the sum of its proper divisors (2111876).

4223746 is a wasteful number, since it uses less digits than its factorization.

4223746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111875.

The product of its digits is 8064, while the sum is 28.

The square root of 4223746 is about 2055.1754183038. The cubic root of 4223746 is about 161.6463606243.

The spelling of 4223746 in words is "four million, two hundred twenty-three thousand, seven hundred forty-six".