4144425 has 12 divisors (see below), whose sum is σ = 6852240. Its totient is φ = 2210320.

The previous prime is 4144423. The next prime is 4144457. The reversal of 4144425 is 5244414.

It is a happy number.

It is not a de Polignac number, because 4144425 - 2¹ = 4144423 is a prime.

4144425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4144395 and 4144404.

It is not an unprimeable number, because it can be changed into a prime (4144423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27555 + ... + 27704.

It is an arithmetic number, because the mean of its divisors is an integer number (571020).

Almost surely, 2^4144425 is an apocalyptic number.

It is an amenable number.

4144425 is a deficient number, since it is larger than the sum of its proper divisors (2707815).

4144425 is a wasteful number, since it uses less digits than its factorization.

4144425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55272 (or 55267 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 4144425 is about 2035.7860889593. The cubic root of 4144425 is about 160.6280652163.

Adding to 4144425 its reverse (5244414), we get a palindrome (9388839).

The spelling of 4144425 in words is "four million, one hundred forty-four thousand, four hundred twenty-five".