229065077 has 2 divisors, whose sum is σ = 229065078. Its totient is φ = 229065076.

The previous prime is 229065061. The next prime is 229065079. The reversal of 229065077 is 770560922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224220676 + 4844401 = 14974^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 229065077 - 2⁴ = 229065061 is a prime.

Together with 229065079, it forms a pair of twin primes.

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 229065077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229065079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114532538 + 114532539.

It is an arithmetic number, because the mean of its divisors is an integer number (114532539).

Almost surely, 2^229065077 is an apocalyptic number.

It is an amenable number.

229065077 is a deficient number, since it is larger than the sum of its proper divisors (1).

229065077 is an equidigital number, since it uses as much as digits as its factorization.

229065077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 229065077 is about 15134.8960022856. The cubic root of 229065077 is about 611.8612656677.

The spelling of 229065077 in words is "two hundred twenty-nine million, sixty-five thousand, seventy-seven".