229346429 has 4 divisors (see below), whose sum is σ = 246988476. Its totient is φ = 211704384.

The previous prime is 229346419. The next prime is 229346431. The reversal of 229346429 is 924643922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145202500 + 84143929 = 12050^2 + 9173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229346429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229346419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8821004 + ... + 8821029.

It is an arithmetic number, because the mean of its divisors is an integer number (61747119).

Almost surely, 2^229346429 is an apocalyptic number.

It is an amenable number.

229346429 is a deficient number, since it is larger than the sum of its proper divisors (17642047).

229346429 is a wasteful number, since it uses less digits than its factorization.

229346429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17642046.

The product of its digits is 186624, while the sum is 41.

The square root of 229346429 is about 15144.1879610628. The cubic root of 229346429 is about 612.1116718842. Note that the first 3 decimals are identical.

The spelling of 229346429 in words is "two hundred twenty-nine million, three hundred forty-six thousand, four hundred twenty-nine".