4422400 has 54 divisors (see below), whose sum is σ = 10961972. Its totient is φ = 1766400.

The previous prime is 4422391. The next prime is 4422401. The reversal of 4422400 is 42244.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (4422401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6055 + ... + 6745.

Almost surely, 2^4422400 is an apocalyptic number.

4422400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5480986).

4422400 is an abundant number, since it is smaller than the sum of its proper divisors (6539572).

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

4422400 is an equidigital number, since it uses as much as digits as its factorization.

4422400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4422400 is about 2102.9503084952. The cubic root of 4422400 is about 164.1418562430.

Adding to 4422400 its reverse (42244), we get a palindrome (4464644).

The spelling of 4422400 in words is "four million, four hundred twenty-two thousand, four hundred".