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2225203131 = 3741734377
BaseRepresentation
bin1000010010100001…
…1110011110111011
312202002010000211210
42010220132132323
514024123000011
61004445454203
7106066625454
oct20450363673
95662100753
102225203131
11a42084058
12521271363
13296017158
1417175c12b
15d05496a6
hex84a1e7bb

2225203131 has 4 divisors (see below), whose sum is σ = 2966937512. Its totient is φ = 1483468752.

The previous prime is 2225203081. The next prime is 2225203153. The reversal of 2225203131 is 1313025222.

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

It is not a de Polignac number, because 2225203131 - 27 = 2225203003 is a prime.

It is a super-2 number, since 2×22252031312 = 9903057948424406322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2225203098 and 2225203107.

It is not an unprimeable number, because it can be changed into a prime (2225203171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370867186 + ... + 370867191.

It is an arithmetic number, because the mean of its divisors is an integer number (741734378).

Almost surely, 22225203131 is an apocalyptic number.

2225203131 is a deficient number, since it is larger than the sum of its proper divisors (741734381).

2225203131 is an equidigital number, since it uses as much as digits as its factorization.

2225203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741734380.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2225203131 is about 47172.0587954352. The cubic root of 2225203131 is about 1305.5391128487.

Adding to 2225203131 its reverse (1313025222), we get a palindrome (3538228353).

The spelling of 2225203131 in words is "two billion, two hundred twenty-five million, two hundred three thousand, one hundred thirty-one".

Divisors: 1 3 741734377 2225203131