4421250 has 80 divisors (see below), whose sum is σ = 12371040. Its totient is φ = 1170000.

The previous prime is 4421237. The next prime is 4421257. The reversal of 4421250 is 521244.

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

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4421257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33685 + ... + 33815.

It is an arithmetic number, because the mean of its divisors is an integer number (154638).

Almost surely, 2^4421250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6185520).

4421250 is an abundant number, since it is smaller than the sum of its proper divisors (7949790).

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

4421250 is a wasteful number, since it uses less digits than its factorization.

4421250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4421250 is about 2102.6768653314. The cubic root of 4421250 is about 164.1276272045.

Adding to 4421250 its reverse (521244), we get a palindrome (4942494).

The spelling of 4421250 in words is "four million, four hundred twenty-one thousand, two hundred fifty".