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226475831 is a prime number
BaseRepresentation
bin11010111111110…
…11111100110111
3120210011011102202
431133323330313
5430434211311
634250055115
75420004251
oct1537737467
9523134382
10226475831
1110692670a
1263a1a49b
1337bc718a
1422114cd1
1514d38e3b
hexd7fbf37

226475831 has 2 divisors, whose sum is σ = 226475832. Its totient is φ = 226475830.

The previous prime is 226475791. The next prime is 226475833. The reversal of 226475831 is 138574622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226475831 is a prime.

It is a super-2 number, since 2×2264758312 = 102582604054281122, which contains 22 as substring.

Together with 226475833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226475833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113237915 + 113237916.

It is an arithmetic number, because the mean of its divisors is an integer number (113237916).

Almost surely, 2226475831 is an apocalyptic number.

226475831 is a deficient number, since it is larger than the sum of its proper divisors (1).

226475831 is an equidigital number, since it uses as much as digits as its factorization.

226475831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 226475831 is about 15049.1139606290. The cubic root of 226475831 is about 609.5471251167.

The spelling of 226475831 in words is "two hundred twenty-six million, four hundred seventy-five thousand, eight hundred thirty-one".