226208779 has 2 divisors, whose sum is σ = 226208780. Its totient is φ = 226208778.

The previous prime is 226208777. The next prime is 226208789. The reversal of 226208779 is 977802622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226208779 - 2¹ = 226208777 is a prime.

Together with 226208777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (226208777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113104389 + 113104390.

It is an arithmetic number, because the mean of its divisors is an integer number (113104390).

Almost surely, 2^226208779 is an apocalyptic number.

226208779 is a deficient number, since it is larger than the sum of its proper divisors (1).

226208779 is an equidigital number, since it uses as much as digits as its factorization.

226208779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 226208779 is about 15040.2386616702. The cubic root of 226208779 is about 609.3074456746.

The spelling of 226208779 in words is "two hundred twenty-six million, two hundred eight thousand, seven hundred seventy-nine".