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2225321143 = 3171784553
BaseRepresentation
bin1000010010100011…
…1011010010110111
312202002100000201121
42010220323102313
514024140234033
61004452204411
7106100626513
oct20450732267
95662300647
102225321143
11a42154791
12521309707
13296058a96
1417178d143
15d056e62d
hex84a3b4b7

2225321143 has 4 divisors (see below), whose sum is σ = 2297105728. Its totient is φ = 2153536560.

The previous prime is 2225321129. The next prime is 2225321149. The reversal of 2225321143 is 3411235222.

2225321143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2225321143 - 29 = 2225320631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225321149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35892246 + ... + 35892307.

It is an arithmetic number, because the mean of its divisors is an integer number (574276432).

Almost surely, 22225321143 is an apocalyptic number.

2225321143 is a deficient number, since it is larger than the sum of its proper divisors (71784585).

2225321143 is an equidigital number, since it uses as much as digits as its factorization.

2225321143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71784584.

The product of its digits is 2880, while the sum is 25.

The square root of 2225321143 is about 47173.3096464516. The cubic root of 2225321143 is about 1305.5621918740.

Adding to 2225321143 its reverse (3411235222), we get a palindrome (5636556365).

The spelling of 2225321143 in words is "two billion, two hundred twenty-five million, three hundred twenty-one thousand, one hundred forty-three".

Divisors: 1 31 71784553 2225321143