4223861 has 8 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 4060000.

The previous prime is 4223839. The next prime is 4223873. The reversal of 4223861 is 1683224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4223861 - 2¹⁰ = 4222837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4223861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223801) 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 7 ways as a sum of consecutive naturals, for example, 2186 + ... + 3636.

It is an arithmetic number, because the mean of its divisors is an integer number (548856).

Almost surely, 2^4223861 is an apocalyptic number.

4223861 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4223861 is a deficient number, since it is larger than the sum of its proper divisors (166987).

4223861 is a wasteful number, since it uses less digits than its factorization.

4223861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its digits is 2304, while the sum is 26.

The square root of 4223861 is about 2055.2033962603. The cubic root of 4223861 is about 161.6478276604.

The spelling of 4223861 in words is "four million, two hundred twenty-three thousand, eight hundred sixty-one".