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226232891 is a prime number
BaseRepresentation
bin11010111110000…
…00101000111011
3120202200211011222
431133000220323
5430403423031
634240542255
75414643053
oct1537005073
9522624158
10226232891
11106780135
126392198b
1337b40721
1422090563
1514cdbe7b
hexd7c0a3b

226232891 has 2 divisors, whose sum is σ = 226232892. Its totient is φ = 226232890.

The previous prime is 226232869. The next prime is 226232917. The reversal of 226232891 is 198232622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226232891 - 226 = 159124027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226238891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113116445 + 113116446.

It is an arithmetic number, because the mean of its divisors is an integer number (113116446).

Almost surely, 2226232891 is an apocalyptic number.

226232891 is a deficient number, since it is larger than the sum of its proper divisors (1).

226232891 is an equidigital number, since it uses as much as digits as its factorization.

226232891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 226232891 is about 15041.0402233356. The cubic root of 226232891 is about 609.3290939637.

It can be divided in two parts, 2262 and 32891, that added together give a palindrome (35153).

The spelling of 226232891 in words is "two hundred twenty-six million, two hundred thirty-two thousand, eight hundred ninety-one".