229378805 has 8 divisors (see below), whose sum is σ = 281968344. Its totient is φ = 179027200.

The previous prime is 229378771. The next prime is 229378819. The reversal of 229378805 is 508873922.

It can be written as a sum of positive squares in 4 ways, for example, as 17123044 + 212255761 = 4138^2 + 14569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229378805 - 2⁶ = 229378741 is a prime.

It is a super-2 number, since 2×229378805² = 105229272366456050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559256 + ... + 559665.

It is an arithmetic number, because the mean of its divisors is an integer number (35246043).

Almost surely, 2^229378805 is an apocalyptic number.

It is an amenable number.

229378805 is a deficient number, since it is larger than the sum of its proper divisors (52589539).

229378805 is a wasteful number, since it uses less digits than its factorization.

229378805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118967.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 229378805 is about 15145.2568482677. The cubic root of 229378805 is about 612.1404737207.

The spelling of 229378805 in words is "two hundred twenty-nine million, three hundred seventy-eight thousand, eight hundred five".