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226610831 is a prime number
BaseRepresentation
bin11011000000111…
…00111010001111
3120210102000121202
431200130322033
5431003021311
634253020115
75421105656
oct1540347217
9523360552
10226610831
11106a09087
1263a8463b
1337c43765
142214c19d
1514d63e3b
hexd81ce8f

226610831 has 2 divisors, whose sum is σ = 226610832. Its totient is φ = 226610830.

The previous prime is 226610819. The next prime is 226610863. The reversal of 226610831 is 138016622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226610831 - 26 = 226610767 is a prime.

It is a super-2 number, since 2×2266108312 = 102704937453021122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226610794 and 226610803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226610801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113305415 + 113305416.

It is an arithmetic number, because the mean of its divisors is an integer number (113305416).

Almost surely, 2226610831 is an apocalyptic number.

226610831 is a deficient number, since it is larger than the sum of its proper divisors (1).

226610831 is an equidigital number, since it uses as much as digits as its factorization.

226610831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 226610831 is about 15053.5986063134. The cubic root of 226610831 is about 609.6682160611.

The spelling of 226610831 in words is "two hundred twenty-six million, six hundred ten thousand, eight hundred thirty-one".