4420725 has 12 divisors (see below), whose sum is σ = 7309056. Its totient is φ = 2357680.

The previous prime is 4420721. The next prime is 4420729. The reversal of 4420725 is 5270244.

It is an interprime number because it is at equal distance from previous prime (4420721) and next prime (4420729).

It is not a de Polignac number, because 4420725 - 2² = 4420721 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4420695 and 4420704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420721) 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, 29397 + ... + 29546.

It is an arithmetic number, because the mean of its divisors is an integer number (609088).

Almost surely, 2^4420725 is an apocalyptic number.

It is an amenable number.

4420725 is a deficient number, since it is larger than the sum of its proper divisors (2888331).

4420725 is a wasteful number, since it uses less digits than its factorization.

4420725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58956 (or 58951 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4420725 is about 2102.5520207595. The cubic root of 4420725 is about 164.1211305188.

Adding to 4420725 its reverse (5270244), we get a palindrome (9690969).

The spelling of 4420725 in words is "four million, four hundred twenty thousand, seven hundred twenty-five".