229156317 has 32 divisors (see below), whose sum is σ = 367727360. Its totient is φ = 140201280.

The previous prime is 229156267. The next prime is 229156423. The reversal of 229156317 is 713651922.

229156317 is a `hidden beast` number, since 2 + 2 + 9 + 15 + 631 + 7 = 666.

It is not a de Polignac number, because 229156317 - 2⁶ = 229156253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229156217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61728 + ... + 65334.

It is an arithmetic number, because the mean of its divisors is an integer number (11491480).

Almost surely, 2^229156317 is an apocalyptic number.

229156317 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

229156317 is a deficient number, since it is larger than the sum of its proper divisors (138571043).

229156317 is a wasteful number, since it uses less digits than its factorization.

229156317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810 (or 3804 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 229156317 is about 15137.9099283884. The cubic root of 229156317 is about 611.9424926741.

The spelling of 229156317 in words is "two hundred twenty-nine million, one hundred fifty-six thousand, three hundred seventeen".