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226325881 is a prime number
BaseRepresentation
bin11010111110101…
…11010101111001
3120202212112202001
431133113111321
5430414412011
634242541001
75415511135
oct1537272571
9522775661
10226325881
11106833a91
1263967761
1337b73b52
14220b63c5
1514d097c1
hexd7d7579

226325881 has 2 divisors, whose sum is σ = 226325882. Its totient is φ = 226325880.

The previous prime is 226325867. The next prime is 226325893. The reversal of 226325881 is 188523622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150896656 + 75429225 = 12284^2 + 8685^2 .

It is a cyclic number.

It is not a de Polignac number, because 226325881 - 25 = 226325849 is a prime.

It is a super-2 number, since 2×2263258812 = 102446808820852322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226325881.

It is not a weakly prime, because it can be changed into another prime (226325851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113162940 + 113162941.

It is an arithmetic number, because the mean of its divisors is an integer number (113162941).

Almost surely, 2226325881 is an apocalyptic number.

It is an amenable number.

226325881 is a deficient number, since it is larger than the sum of its proper divisors (1).

226325881 is an equidigital number, since it uses as much as digits as its factorization.

226325881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 226325881 is about 15044.1311148235. The cubic root of 226325881 is about 609.4125680490.

The spelling of 226325881 in words is "two hundred twenty-six million, three hundred twenty-five thousand, eight hundred eighty-one".