229534740 has 36 divisors (see below), whose sum is σ = 696255924. Its totient is φ = 61209216.

The previous prime is 229534729. The next prime is 229534783. The reversal of 229534740 is 47435922.

229534740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 174715524 + 54819216 = 13218^2 + 7404^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 229534695 and 229534704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637417 + ... + 637776.

Almost surely, 2^229534740 is an apocalyptic number.

229534740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229534740 is an abundant number, since it is smaller than the sum of its proper divisors (466721184).

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

229534740 is a wasteful number, since it uses less digits than its factorization.

229534740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275208 (or 1275203 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 229534740 is about 15150.4039550106. The cubic root of 229534740 is about 612.2791562558.

The spelling of 229534740 in words is "two hundred twenty-nine million, five hundred thirty-four thousand, seven hundred forty".