229591356 has 12 divisors (see below), whose sum is σ = 535713192. Its totient is φ = 76530448.

The previous prime is 229591343. The next prime is 229591367. The reversal of 229591356 is 653195922.

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

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, 9566295 + ... + 9566318.

It is an arithmetic number, because the mean of its divisors is an integer number (44642766).

Almost surely, 2^229591356 is an apocalyptic number.

It is an amenable number.

229591356 is an abundant number, since it is smaller than the sum of its proper divisors (306121836).

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

229591356 is a wasteful number, since it uses less digits than its factorization.

229591356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19132620 (or 19132618 counting only the distinct ones).

The product of its digits is 145800, while the sum is 42.

The square root of 229591356 is about 15152.2723048393. The cubic root of 229591356 is about 612.3294927859.

The spelling of 229591356 in words is "two hundred twenty-nine million, five hundred ninety-one thousand, three hundred fifty-six".