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226691 is a prime number
BaseRepresentation
bin110111010110000011
3102111221222
4313112003
524223231
64505255
71632623
oct672603
9374858
10226691
11145353
12ab22b
137c24a
145c883
154727b
hex37583

226691 has 2 divisors, whose sum is σ = 226692. Its totient is φ = 226690.

The previous prime is 226669. The next prime is 226697. The reversal of 226691 is 196622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226691 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226691.

It is not a weakly prime, because it can be changed into another prime (226697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113345 + 113346.

It is an arithmetic number, because the mean of its divisors is an integer number (113346).

2226691 is an apocalyptic number.

226691 is a deficient number, since it is larger than the sum of its proper divisors (1).

226691 is an equidigital number, since it uses as much as digits as its factorization.

226691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 226691 is about 476.1207829952. The cubic root of 226691 is about 60.9740102488.

The spelling of 226691 in words is "two hundred twenty-six thousand, six hundred ninety-one".