4223250 has 48 divisors (see below), whose sum is σ = 11425752. Its totient is φ = 1125600.

The previous prime is 4223243. The next prime is 4223251. The reversal of 4223250 is 523224.

It can be written as a sum of positive squares in 4 ways, for example, as 1490841 + 2732409 = 1221^2 + 1653^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 4⁵ + 2¹² + 2¹³ + 3² + 2²² + 5⁶ + 0 .

It is not an unprimeable number, because it can be changed into a prime (4223251) 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 in 23 ways as a sum of consecutive naturals, for example, 1312 + ... + 3188.

Almost surely, 2^4223250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5712876).

4223250 is an abundant number, since it is smaller than the sum of its proper divisors (7202502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4223250 is a wasteful number, since it uses less digits than its factorization.

4223250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4223250 is about 2055.0547437964. The cubic root of 4223250 is about 161.6400329290.

Adding to 4223250 its reverse (523224), we get a palindrome (4746474).

The spelling of 4223250 in words is "four million, two hundred twenty-three thousand, two hundred fifty".