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2225445 = 35891667
BaseRepresentation
bin1000011111010100100101
311012001201220
420133110211
51032203240
6115410553
724626115
oct10372445
94161656
102225445
111290012
128b3a59
135cbc41
1441d045
152de5d0
hex21f525

2225445 has 16 divisors (see below), whose sum is σ = 3602880. Its totient is φ = 1172864.

The previous prime is 2225429. The next prime is 2225473. The reversal of 2225445 is 5445222.

It is a happy number.

2225445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2225445 - 24 = 2225429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (225180).

22225445 is an apocalyptic number.

It is an amenable number.

2225445 is a deficient number, since it is larger than the sum of its proper divisors (1377435).

2225445 is a wasteful number, since it uses less digits than its factorization.

2225445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its digits is 3200, while the sum is 24.

The square root of 2225445 is about 1491.7925458991. The cubic root of 2225445 is about 130.5586413100.

The spelling of 2225445 in words is "two million, two hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 3 5 15 89 267 445 1335 1667 5001 8335 25005 148363 445089 741815 2225445