229902825 has 24 divisors (see below), whose sum is σ = 396635328. Its totient is φ = 117282880.

The previous prime is 229902823. The next prime is 229902833. The reversal of 229902825 is 528209922.

229902825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 229902825 - 2¹ = 229902823 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229902821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64914 + ... + 68363.

It is an arithmetic number, because the mean of its divisors is an integer number (16526472).

Almost surely, 2^229902825 is an apocalyptic number.

229902825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229902825 is a deficient number, since it is larger than the sum of its proper divisors (166732503).

229902825 is a wasteful number, since it uses less digits than its factorization.

229902825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133313 (or 133308 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 229902825 is about 15162.5467847588. The cubic root of 229902825 is about 612.6062678312.

The spelling of 229902825 in words is "two hundred twenty-nine million, nine hundred two thousand, eight hundred twenty-five".