229255511 has 2 divisors, whose sum is σ = 229255512. Its totient is φ = 229255510.

The previous prime is 229255493. The next prime is 229255541. The reversal of 229255511 is 115552922.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229255511 is a prime.

It is a super-2 number, since 2×229255511² = 105116178647742242, which contains 22 as substring.

It is a Chen prime.

It is equal to p_12603857 and since 229255511 and 12603857 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229255541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114627755 + 114627756.

It is an arithmetic number, because the mean of its divisors is an integer number (114627756).

Almost surely, 2^229255511 is an apocalyptic number.

229255511 is a deficient number, since it is larger than the sum of its proper divisors (1).

229255511 is an equidigital number, since it uses as much as digits as its factorization.

229255511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 32.

The square root of 229255511 is about 15141.1859178864. The cubic root of 229255511 is about 612.0307763226.

The spelling of 229255511 in words is "two hundred twenty-nine million, two hundred fifty-five thousand, five hundred eleven".