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227401171229 is a prime number
BaseRepresentation
bin1101001111001000101…
…0101000000100011101
3210201221222102102000002
43103302022220010131
512211204144434404
6252244444144045
722300133030411
oct3236212500435
9721858372002
10227401171229
118849303a761
12380a4238025
13185a016146b
14b013310d41
155dadd4ec1e
hex34f22a811d

227401171229 has 2 divisors, whose sum is σ = 227401171230. Its totient is φ = 227401171228.

The previous prime is 227401171141. The next prime is 227401171247. The reversal of 227401171229 is 922171104722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128144668729 + 99256502500 = 357973^2 + 315050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-227401171229 is a prime.

It is a super-2 number, since 2×2274011712292 (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 227401171192 and 227401171201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227401171289) 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 as a sum of consecutive naturals, namely, 113700585614 + 113700585615.

It is an arithmetic number, because the mean of its divisors is an integer number (113700585615).

Almost surely, 2227401171229 is an apocalyptic number.

It is an amenable number.

227401171229 is a deficient number, since it is larger than the sum of its proper divisors (1).

227401171229 is an equidigital number, since it uses as much as digits as its factorization.

227401171229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 227401171229 in words is "two hundred twenty-seven billion, four hundred one million, one hundred seventy-one thousand, two hundred twenty-nine".