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2225320025 = 5289012801
BaseRepresentation
bin1000010010100011…
…1011000001011001
312202002022222012012
42010220323001121
514024140220100
61004452155305
7106100623325
oct20450730131
95662288165
102225320025
11a42153965
12521308b35
13296058416
1417178c985
15d056e135
hex84a3b059

2225320025 has 6 divisors (see below), whose sum is σ = 2759396862. Its totient is φ = 1780256000.

The previous prime is 2225320021. The next prime is 2225320037. The reversal of 2225320025 is 5200235222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 382163401 + 1843156624 = 19549^2 + 42932^2 .

It is not a de Polignac number, because 2225320025 - 22 = 2225320021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225320021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44506376 + ... + 44506425.

It is an arithmetic number, because the mean of its divisors is an integer number (459899477).

Almost surely, 22225320025 is an apocalyptic number.

2225320025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225320025 is a deficient number, since it is larger than the sum of its proper divisors (534076837).

2225320025 is an equidigital number, since it uses as much as digits as its factorization.

2225320025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89012811 (or 89012806 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2225320025 is about 47173.2977965289. The cubic root of 2225320025 is about 1305.5619732361.

Adding to 2225320025 its reverse (5200235222), we get a palindrome (7425555247).

The spelling of 2225320025 in words is "two billion, two hundred twenty-five million, three hundred twenty thousand, twenty-five".

Divisors: 1 5 25 89012801 445064005 2225320025