229798812 has 12 divisors (see below), whose sum is σ = 536197256. Its totient is φ = 76599600.

The previous prime is 229798799. The next prime is 229798853. The reversal of 229798812 is 218897922.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×229798812² = 105614987993222688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9574939 + ... + 9574962.

Almost surely, 2^229798812 is an apocalyptic number.

It is an amenable number.

229798812 is an abundant number, since it is smaller than the sum of its proper divisors (306398444).

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

229798812 is a wasteful number, since it uses less digits than its factorization.

229798812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19149908 (or 19149906 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 229798812 is about 15159.1164650187. The cubic root of 229798812 is about 612.5138684629.

The spelling of 229798812 in words is "two hundred twenty-nine million, seven hundred ninety-eight thousand, eight hundred twelve".