229199077 has 2 divisors, whose sum is σ = 229199078. Its totient is φ = 229199076.

The previous prime is 229199051. The next prime is 229199081. The reversal of 229199077 is 770991922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224730081 + 4468996 = 14991^2 + 2114^2 .

It is a cyclic number.

It is not a de Polignac number, because 229199077 - 2¹¹ = 229197029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229191077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114599538 + 114599539.

It is an arithmetic number, because the mean of its divisors is an integer number (114599539).

Almost surely, 2^229199077 is an apocalyptic number.

It is an amenable number.

229199077 is a deficient number, since it is larger than the sum of its proper divisors (1).

229199077 is an equidigital number, since it uses as much as digits as its factorization.

229199077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 229199077 is about 15139.3222107200. The cubic root of 229199077 is about 611.9805526237.

The spelling of 229199077 in words is "two hundred twenty-nine million, one hundred ninety-nine thousand, seventy-seven".