229129894 has 16 divisors (see below), whose sum is σ = 402375456. Its totient is φ = 95803200.

The previous prime is 229129889. The next prime is 229129921. The reversal of 229129894 is 498921922.

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, 199017 + ... + 200164.

It is an arithmetic number, because the mean of its divisors is an integer number (25148466).

Almost surely, 2^229129894 is an apocalyptic number.

229129894 is a deficient number, since it is larger than the sum of its proper divisors (173245562).

229129894 is a wasteful number, since it uses less digits than its factorization.

229129894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399231.

The product of its digits is 186624, while the sum is 46.

The square root of 229129894 is about 15137.0371605542. The cubic root of 229129894 is about 611.9189716438.

The spelling of 229129894 in words is "two hundred twenty-nine million, one hundred twenty-nine thousand, eight hundred ninety-four".