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2220325 = 5288813
BaseRepresentation
bin1000011110000100100101
311011210201021
420132010211
51032022300
6115331141
724605152
oct10360445
94153637
102220325
111287188
128b0ab1
135c9803
1441b229
152dcd1a
hex21e125

2220325 has 6 divisors (see below), whose sum is σ = 2753234. Its totient is φ = 1776240.

The previous prime is 2220311. The next prime is 2220331. The reversal of 2220325 is 5230222.

It can be written as a sum of positive squares in 3 ways, for example, as 777924 + 1442401 = 882^2 + 1201^2 .

It is not a de Polignac number, because 2220325 - 25 = 2220293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220299 and 2220308.

It is a congruent number.

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, 44382 + ... + 44431.

22220325 is an apocalyptic number.

2220325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2220325 is a deficient number, since it is larger than the sum of its proper divisors (532909).

2220325 is an equidigital number, since it uses as much as digits as its factorization.

2220325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88823 (or 88818 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2220325 is about 1490.0755014428. The cubic root of 2220325 is about 130.4584405960.

Adding to 2220325 its reverse (5230222), we get a palindrome (7450547).

The spelling of 2220325 in words is "two million, two hundred twenty thousand, three hundred twenty-five".

Divisors: 1 5 25 88813 444065 2220325