4420525 has 12 divisors (see below), whose sum is σ = 5522464. Its totient is φ = 3510000.

The previous prime is 4420523. The next prime is 4420543. The reversal of 4420525 is 5250244.

It is not a de Polignac number, because 4420525 - 2¹ = 4420523 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

4420525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4420496 and 4420505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3190 + ... + 4360.

Almost surely, 2^4420525 is an apocalyptic number.

It is an amenable number.

4420525 is a deficient number, since it is larger than the sum of its proper divisors (1101939).

4420525 is a wasteful number, since it uses less digits than its factorization.

4420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4420525 is about 2102.5044589727. The cubic root of 4420525 is about 164.1186554556.

Adding to 4420525 its reverse (5250244), we get a palindrome (9670769).

The spelling of 4420525 in words is "four million, four hundred twenty thousand, five hundred twenty-five".