229656436 has 12 divisors (see below), whose sum is σ = 407897728. Its totient is φ = 113114232.

The previous prime is 229656433. The next prime is 229656461. The reversal of 229656436 is 634656922.

229656436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 229656392 and 229656401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229656431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428196 + ... + 428731.

Almost surely, 2^229656436 is an apocalyptic number.

It is an amenable number.

229656436 is a deficient number, since it is larger than the sum of its proper divisors (178241292).

229656436 is a wasteful number, since it uses less digits than its factorization.

229656436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856998 (or 856996 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 229656436 is about 15154.4196853591. The cubic root of 229656436 is about 612.3873443231.

The spelling of 229656436 in words is "two hundred twenty-nine million, six hundred fifty-six thousand, four hundred thirty-six".