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2223625 = 5317789
BaseRepresentation
bin1000011110111000001001
311011222020111
420132320021
51032124000
6115354321
724620605
oct10367011
94158214
102223625
111289708
128b29a1
135cb171
1441c505
152ddcba
hex21ee09

2223625 has 8 divisors (see below), whose sum is σ = 2775240. Its totient is φ = 1778800.

The previous prime is 2223623. The next prime is 2223631. The reversal of 2223625 is 5263222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24336 + 2199289 = 156^2 + 1483^2 .

It is not a de Polignac number, because 2223625 - 21 = 2223623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2223596 and 2223605.

It is not an unprimeable number, because it can be changed into a prime (2223623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8770 + ... + 9019.

It is an arithmetic number, because the mean of its divisors is an integer number (346905).

22223625 is an apocalyptic number.

2223625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2223625 is a deficient number, since it is larger than the sum of its proper divisors (551615).

2223625 is an equidigital number, since it uses as much as digits as its factorization.

2223625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804 (or 17794 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 2223625 is about 1491.1824167418. The cubic root of 2223625 is about 130.5230407099.

Adding to 2223625 its reverse (5263222), we get a palindrome (7486847).

The spelling of 2223625 in words is "two million, two hundred twenty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 125 17789 88945 444725 2223625