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2225570 = 25222557
BaseRepresentation
bin1000011111010110100010
311012001220112
420133112202
51032204240
6115411322
724626354
oct10372642
94161815
102225570
111290116
128b3b42
135cc009
1441d0d4
152de665
hex21f5a2

2225570 has 8 divisors (see below), whose sum is σ = 4006044. Its totient is φ = 890224.

The previous prime is 2225569. The next prime is 2225579. The reversal of 2225570 is 755222.

2225570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1819801 + 405769 = 1349^2 + 637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2225579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 111269 + ... + 111288.

22225570 is an apocalyptic number.

2225570 is a deficient number, since it is larger than the sum of its proper divisors (1780474).

2225570 is a wasteful number, since it uses less digits than its factorization.

2225570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222564.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2225570 is about 1491.8344412166. The cubic root of 2225570 is about 130.5610856937.

The spelling of 2225570 in words is "two million, two hundred twenty-five thousand, five hundred seventy".

Divisors: 1 2 5 10 222557 445114 1112785 2225570