229772286 has 12 divisors (see below), whose sum is σ = 497839992. Its totient is φ = 76590756.

The previous prime is 229772281. The next prime is 229772311. The reversal of 229772286 is 682277922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229772281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6382546 + ... + 6382581.

It is an arithmetic number, because the mean of its divisors is an integer number (41486666).

Almost surely, 2^229772286 is an apocalyptic number.

229772286 is an abundant number, since it is smaller than the sum of its proper divisors (268067706).

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

229772286 is a wasteful number, since it uses less digits than its factorization.

229772286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765135 (or 12765132 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 229772286 is about 15158.2415207042. The cubic root of 229772286 is about 612.4902997770.

The spelling of 229772286 in words is "two hundred twenty-nine million, seven hundred seventy-two thousand, two hundred eighty-six".