229391125 has 8 divisors (see below), whose sum is σ = 286280280. Its totient is φ = 183512800.

The previous prime is 229391117. The next prime is 229391147. The reversal of 229391125 is 521193922.

It can be written as a sum of positive squares in 4 ways, for example, as 3129361 + 226261764 = 1769^2 + 15042^2 .

It is not a de Polignac number, because 229391125 - 2³ = 229391117 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 917440 + ... + 917689.

It is an arithmetic number, because the mean of its divisors is an integer number (35785035).

Almost surely, 2^229391125 is an apocalyptic number.

229391125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229391125 is a deficient number, since it is larger than the sum of its proper divisors (56889155).

229391125 is an equidigital number, since it uses as much as digits as its factorization.

229391125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835144 (or 1835134 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 229391125 is about 15145.6635708047. The cubic root of 229391125 is about 612.1514329367.

The spelling of 229391125 in words is "two hundred twenty-nine million, three hundred ninety-one thousand, one hundred twenty-five".