4022500 has 30 divisors (see below), whose sum is σ = 8801870. Its totient is φ = 1608000.

The previous prime is 4022483. The next prime is 4022507. The reversal of 4022500 is 52204.

It is a happy number.

4022500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 495616 + 3526884 = 704^2 + 1878^2 .

It is not an unprimeable number, because it can be changed into a prime (4022507) 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 9 ways as a sum of consecutive naturals, for example, 1696 + ... + 3304.

Almost surely, 2^4022500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4022500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4400935).

4022500 is an abundant number, since it is smaller than the sum of its proper divisors (4779370).

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

4022500 is a wasteful number, since it uses less digits than its factorization.

4022500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4022500 is about 2005.6171120132. The cubic root of 4022500 is about 159.0371865608.

Adding to 4022500 its reverse (52204), we get a palindrome (4074704).

The spelling of 4022500 in words is "four million, twenty-two thousand, five hundred".