229820853 has 32 divisors (see below), whose sum is σ = 338595840. Its totient is φ = 138156480.

The previous prime is 229820821. The next prime is 229820861. The reversal of 229820853 is 358028922.

It is not a de Polignac number, because 229820853 - 2⁵ = 229820821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229820803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84708 + ... + 87378.

It is an arithmetic number, because the mean of its divisors is an integer number (10581120).

Almost surely, 2^229820853 is an apocalyptic number.

229820853 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

229820853 is a deficient number, since it is larger than the sum of its proper divisors (108774987).

229820853 is a wasteful number, since it uses less digits than its factorization.

229820853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 229820853 is about 15159.8434358670. The cubic root of 229820853 is about 612.5334507901.

The spelling of 229820853 in words is "two hundred twenty-nine million, eight hundred twenty thousand, eight hundred fifty-three".