229511439 has 12 divisors (see below), whose sum is σ = 333350472. Its totient is φ = 152161200.

The previous prime is 229511437. The next prime is 229511449. The reversal of 229511439 is 934115922.

229511439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 229511439 - 2¹ = 229511437 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229511437) 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, 68817 + ... + 72074.

It is an arithmetic number, because the mean of its divisors is an integer number (27779206).

Almost surely, 2^229511439 is an apocalyptic number.

229511439 is a deficient number, since it is larger than the sum of its proper divisors (103839033).

229511439 is a wasteful number, since it uses less digits than its factorization.

229511439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141078 (or 141075 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 229511439 is about 15149.6349460969. The cubic root of 229511439 is about 612.2584372434.

It can be divided in two parts, 2295114 and 39, that added together give a triangular number (2295153 = T₂₁₄₂).

The spelling of 229511439 in words is "two hundred twenty-nine million, five hundred eleven thousand, four hundred thirty-nine".