229791432 has 32 divisors (see below), whose sum is σ = 618670080. Its totient is φ = 70704960.

The previous prime is 229791407. The next prime is 229791433. The reversal of 229791432 is 234197922.

229791432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×229791432² = 105608204441221248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (229791433) 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, 367944 + ... + 368567.

It is an arithmetic number, because the mean of its divisors is an integer number (19333440).

Almost surely, 2^229791432 is an apocalyptic number.

It is an amenable number.

229791432 is an abundant number, since it is smaller than the sum of its proper divisors (388878648).

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

229791432 is a wasteful number, since it uses less digits than its factorization.

229791432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736533 (or 736529 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 229791432 is about 15158.8730451838. The cubic root of 229791432 is about 612.5073114218.

The spelling of 229791432 in words is "two hundred twenty-nine million, seven hundred ninety-one thousand, four hundred thirty-two".