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2225500 = 22534451
BaseRepresentation
bin1000011111010101011100
311012001210221
420133111130
51032204000
6115411124
724626224
oct10372534
94161727
102225500
111290062
128b3aa4
135cbc84
1441d084
152de61a
hex21f55c

2225500 has 24 divisors (see below), whose sum is σ = 4861584. Its totient is φ = 890000.

The previous prime is 2225491. The next prime is 2225501. The reversal of 2225500 is 55222.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225501) 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, 1726 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (202566).

22225500 is an apocalyptic number.

2225500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225500 is an abundant number, since it is smaller than the sum of its proper divisors (2636084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2225500 is a wasteful number, since it uses less digits than its factorization.

2225500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2225500 is about 1491.8109799837. The cubic root of 2225500 is about 130.5597168501.

The spelling of 2225500 in words is "two million, two hundred twenty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 4451 8902 17804 22255 44510 89020 111275 222550 445100 556375 1112750 2225500