229564775 has 12 divisors (see below), whose sum is σ = 310538904. Its totient is φ = 166956000.

The previous prime is 229564763. The next prime is 229564807. The reversal of 229564775 is 577465922.

It is not a de Polignac number, because 229564775 - 2¹⁰ = 229563751 is a prime.

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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417116 + ... + 417665.

It is an arithmetic number, because the mean of its divisors is an integer number (25878242).

Almost surely, 2^229564775 is an apocalyptic number.

229564775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

229564775 is a deficient number, since it is larger than the sum of its proper divisors (80974129).

229564775 is a wasteful number, since it uses less digits than its factorization.

229564775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834802 (or 834797 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 229564775 is about 15151.3951502824. The cubic root of 229564775 is about 612.3058610042.

The spelling of 229564775 in words is "two hundred twenty-nine million, five hundred sixty-four thousand, seven hundred seventy-five".