4420225 has 6 divisors (see below), whose sum is σ = 5481110. Its totient is φ = 3536160.

The previous prime is 4420219. The next prime is 4420231. The reversal of 4420225 is 5220244.

It is an interprime number because it is at equal distance from previous prime (4420219) and next prime (4420231).

It can be written as a sum of positive squares in 3 ways, for example, as 531441 + 3888784 = 729^2 + 1972^2 .

It is not a de Polignac number, because 4420225 - 2⁹ = 4419713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88380 + ... + 88429.

Almost surely, 2^4420225 is an apocalyptic number.

It is an amenable number.

4420225 is a deficient number, since it is larger than the sum of its proper divisors (1060885).

4420225 is a wasteful number, since it uses less digits than its factorization.

4420225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176819 (or 176814 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4420225 is about 2102.4331142750. The cubic root of 4420225 is about 164.1149427209.

Adding to 4420225 its sum of digits (19), we get a palindrome (4420244).

Adding to 4420225 its reverse (5220244), we get a palindrome (9640469).

The spelling of 4420225 in words is "four million, four hundred twenty thousand, two hundred twenty-five".