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4442225 = 521371297
BaseRepresentation
bin10000111100100001110001
322100200120212
4100330201301
52114122400
6235113505
752521044
oct20744161
98320525
104442225
112564567
1215a2895
13bc6c48
14838c5b
155cb335
hex43c871

4442225 has 12 divisors (see below), whose sum is σ = 5552844. Its totient is φ = 3525120.

The previous prime is 4442213. The next prime is 4442231. The reversal of 4442225 is 5222444.

It can be written as a sum of positive squares in 6 ways, for example, as 309136 + 4133089 = 556^2 + 2033^2 .

It is not a de Polignac number, because 4442225 - 24 = 4442209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4442225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2777 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (462737).

Almost surely, 24442225 is an apocalyptic number.

It is an amenable number.

4442225 is a deficient number, since it is larger than the sum of its proper divisors (1110619).

4442225 is a wasteful number, since it uses less digits than its factorization.

4442225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444 (or 1439 counting only the distinct ones).

The product of its digits is 2560, while the sum is 23.

The square root of 4442225 is about 2107.6586535775. The cubic root of 4442225 is about 164.3867656283.

Adding to 4442225 its reverse (5222444), we get a palindrome (9664669).

It can be divided in two parts, 4 and 442225, that multiplied together give a square (1768900 = 13302).

The spelling of 4442225 in words is "four million, four hundred forty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 137 685 1297 3425 6485 32425 177689 888445 4442225