229392905 has 8 divisors (see below), whose sum is σ = 314596032. Its totient is φ = 157297968.

The previous prime is 229392847. The next prime is 229392979. The reversal of 229392905 is 509293922.

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

It is a cyclic number.

It is not a de Polignac number, because 229392905 - 2¹⁰ = 229391881 is a prime.

It is a super-2 number, since 2×229392905² = 105242209728678050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3277007 + ... + 3277076.

It is an arithmetic number, because the mean of its divisors is an integer number (39324504).

Almost surely, 2^229392905 is an apocalyptic number.

It is an amenable number.

229392905 is a deficient number, since it is larger than the sum of its proper divisors (85203127).

229392905 is an equidigital number, since it uses as much as digits as its factorization.

229392905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554095.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 229392905 is about 15145.7223333851. The cubic root of 229392905 is about 612.1530162975.

The spelling of 229392905 in words is "two hundred twenty-nine million, three hundred ninety-two thousand, nine hundred five".