229210428 has 24 divisors (see below), whose sum is σ = 543593680. Its totient is φ = 75150720.

The previous prime is 229210427. The next prime is 229210477. The reversal of 229210428 is 824012922.

It is a junction number, because it is equal to n+sod(n) for n = 229210395 and 229210404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229210427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155833 + ... + 157296.

Almost surely, 2^229210428 is an apocalyptic number.

It is an amenable number.

229210428 is an abundant number, since it is smaller than the sum of its proper divisors (314383252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229210428 is a wasteful number, since it uses less digits than its factorization.

229210428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313197 (or 313195 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 229210428 is about 15139.6970907611. The cubic root of 229210428 is about 611.9906551608.

It can be divided in two parts, 2292 and 10428, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 229210428 in words is "two hundred twenty-nine million, two hundred ten thousand, four hundred twenty-eight".