229086551 has 2 divisors, whose sum is σ = 229086552. Its totient is φ = 229086550.

The previous prime is 229086493. The next prime is 229086563. The reversal of 229086551 is 155680922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229086551 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 (229086581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114543275 + 114543276.

It is an arithmetic number, because the mean of its divisors is an integer number (114543276).

Almost surely, 2^229086551 is an apocalyptic number.

229086551 is a deficient number, since it is larger than the sum of its proper divisors (1).

229086551 is an equidigital number, since it uses as much as digits as its factorization.

229086551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 229086551 is about 15135.6054057973. The cubic root of 229086551 is about 611.8803849772.

The spelling of 229086551 in words is "two hundred twenty-nine million, eighty-six thousand, five hundred fifty-one".