229434428 has 24 divisors (see below), whose sum is σ = 419489280. Its totient is φ = 109659200.

The previous prime is 229434419. The next prime is 229434433. The reversal of 229434428 is 824434922.

It is a junction number, because it is equal to n+sod(n) for n = 229434391 and 229434400.

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, 1925 + ... + 21507.

It is an arithmetic number, because the mean of its divisors is an integer number (17478720).

Almost surely, 2^229434428 is an apocalyptic number.

It is an amenable number.

229434428 is a deficient number, since it is larger than the sum of its proper divisors (190054852).

229434428 is a wasteful number, since it uses less digits than its factorization.

229434428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19717 (or 19715 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 229434428 is about 15147.0930544445. The cubic root of 229434428 is about 612.1899498666.

The spelling of 229434428 in words is "two hundred twenty-nine million, four hundred thirty-four thousand, four hundred twenty-eight".