229013857 has 2 divisors, whose sum is σ = 229013858. Its totient is φ = 229013856.

The previous prime is 229013819. The next prime is 229013867. The reversal of 229013857 is 758310922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202891536 + 26122321 = 14244^2 + 5111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229013857 is a prime.

It is not a weakly prime, because it can be changed into another prime (229013867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114506928 + 114506929.

It is an arithmetic number, because the mean of its divisors is an integer number (114506929).

Almost surely, 2^229013857 is an apocalyptic number.

It is an amenable number.

229013857 is a deficient number, since it is larger than the sum of its proper divisors (1).

229013857 is an equidigital number, since it uses as much as digits as its factorization.

229013857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 229013857 is about 15133.2037916629. The cubic root of 229013857 is about 611.8156572747.

The spelling of 229013857 in words is "two hundred twenty-nine million, thirteen thousand, eight hundred fifty-seven".