229105557 has 8 divisors (see below), whose sum is σ = 339415680. Its totient is φ = 152737020.

The previous prime is 229105483. The next prime is 229105559. The reversal of 229105557 is 755501922.

It is not a de Polignac number, because 229105557 - 2⁸ = 229105301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229105559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242669 + ... + 4242722.

It is an arithmetic number, because the mean of its divisors is an integer number (42426960).

Almost surely, 2^229105557 is an apocalyptic number.

229105557 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

229105557 is a deficient number, since it is larger than the sum of its proper divisors (110310123).

229105557 is an equidigital number, since it uses as much as digits as its factorization.

229105557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485400 (or 8485394 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 229105557 is about 15136.2332500527. The cubic root of 229105557 is about 611.8973059138.

The spelling of 229105557 in words is "two hundred twenty-nine million, one hundred five thousand, five hundred fifty-seven".