4421925 has 24 divisors (see below), whose sum is σ = 8124480. Its totient is φ = 2358000.

The previous prime is 4421909. The next prime is 4421929. The reversal of 4421925 is 5291244.

It is not a de Polignac number, because 4421925 - 2⁴ = 4421909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421929) 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 23 ways as a sum of consecutive naturals, for example, 2601 + ... + 3950.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

Almost surely, 2^4421925 is an apocalyptic number.

4421925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4421925 is a deficient number, since it is larger than the sum of its proper divisors (3702555).

4421925 is a wasteful number, since it uses less digits than its factorization.

4421925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570 (or 6559 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4421925 is about 2102.8373688899. The cubic root of 4421925 is about 164.1359793305.

It can be divided in two parts, 44219 and 25, that added together give a palindrome (44244).

The spelling of 4421925 in words is "four million, four hundred twenty-one thousand, nine hundred twenty-five".