229091656 has 8 divisors (see below), whose sum is σ = 429546870. Its totient is φ = 114545824.

The previous prime is 229091651. The next prime is 229091671. The reversal of 229091656 is 656190922.

229091656 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 only one way, i.e., 224100900 + 4990756 = 14970^2 + 2234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (229091651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14318221 + ... + 14318236.

Almost surely, 2^229091656 is an apocalyptic number.

It is an amenable number.

229091656 is a deficient number, since it is larger than the sum of its proper divisors (200455214).

229091656 is a wasteful number, since it uses less digits than its factorization.

229091656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28636463 (or 28636459 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 229091656 is about 15135.7740469393. The cubic root of 229091656 is about 611.8849300223.

The spelling of 229091656 in words is "two hundred twenty-nine million, ninety-one thousand, six hundred fifty-six".