229443031 has 12 divisors (see below), whose sum is σ = 248251080. Its totient is φ = 211468320.

The previous prime is 229443029. The next prime is 229443037. The reversal of 229443031 is 130344922.

It is not a de Polignac number, because 229443031 - 2¹ = 229443029 is a prime.

It is a super-2 number, since 2×229443031² = 105288208948933922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229443037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21601 + ... + 30421.

It is an arithmetic number, because the mean of its divisors is an integer number (20687590).

Almost surely, 2^229443031 is an apocalyptic number.

229443031 is a deficient number, since it is larger than the sum of its proper divisors (18808049).

229443031 is an equidigital number, since it uses as much as digits as its factorization.

229443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914 (or 8877 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 229443031 is about 15147.3770336649. The cubic root of 229443031 is about 612.1976014418.

Adding to 229443031 its reverse (130344922), we get a palindrome (359787953).

The spelling of 229443031 in words is "two hundred twenty-nine million, four hundred forty-three thousand, thirty-one".