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227018999 is a prime number
BaseRepresentation
bin11011000100000…
…00100011110111
3120211011202112002
431202000203313
5431104101444
634305445515
75424425654
oct1542004367
9524152462
10227018999
11107167809
126404089b
133805748c
1422216c2b
1514de4d4e
hexd8808f7

227018999 has 2 divisors, whose sum is σ = 227019000. Its totient is φ = 227018998.

The previous prime is 227018963. The next prime is 227019007. The reversal of 227018999 is 999810722.

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-227018999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227018959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113509499 + 113509500.

It is an arithmetic number, because the mean of its divisors is an integer number (113509500).

Almost surely, 2227018999 is an apocalyptic number.

227018999 is a deficient number, since it is larger than the sum of its proper divisors (1).

227018999 is an equidigital number, since it uses as much as digits as its factorization.

227018999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 227018999 is about 15067.1496640871. The cubic root of 227018999 is about 610.0340382332.

The spelling of 227018999 in words is "two hundred twenty-seven million, eighteen thousand, nine hundred ninety-nine".