229545455 has 4 divisors (see below), whose sum is σ = 275454552. Its totient is φ = 183636360.

The previous prime is 229545439. The next prime is 229545473. The reversal of 229545455 is 554545922.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 229545455 - 2⁴ = 229545439 is a prime.

It is a super-2 number, since 2×229545455² = 105382231822314050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22954541 + ... + 22954550.

It is an arithmetic number, because the mean of its divisors is an integer number (68863638).

Almost surely, 2^229545455 is an apocalyptic number.

229545455 is a deficient number, since it is larger than the sum of its proper divisors (45909097).

229545455 is an equidigital number, since it uses as much as digits as its factorization.

229545455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45909096.

The product of its digits is 360000, while the sum is 41.

The square root of 229545455 is about 15150.7575718180. The cubic root of 229545455 is about 612.2886834543.

The spelling of 229545455 in words is "two hundred twenty-nine million, five hundred forty-five thousand, four hundred fifty-five".