4223837 has 4 divisors (see below), whose sum is σ = 4472316. Its totient is φ = 3975360.

The previous prime is 4223831. The next prime is 4223839. The reversal of 4223837 is 7383224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1976836 + 2247001 = 1406^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223837 - 2⁶ = 4223773 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 2¹⁴ + 2²² + 3³ + 8² + 3⁸ + 7⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124214 + ... + 124247.

It is an arithmetic number, because the mean of its divisors is an integer number (1118079).

Almost surely, 2^4223837 is an apocalyptic number.

It is an amenable number.

4223837 is a deficient number, since it is larger than the sum of its proper divisors (248479).

4223837 is a wasteful number, since it uses less digits than its factorization.

4223837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248478.

The product of its digits is 8064, while the sum is 29.

The square root of 4223837 is about 2055.1975574139. The cubic root of 4223837 is about 161.6475214985.

The spelling of 4223837 in words is "four million, two hundred twenty-three thousand, eight hundred thirty-seven".