229181852 has 6 divisors (see below), whose sum is σ = 401068248. Its totient is φ = 114590924.

The previous prime is 229181851. The next prime is 229181899. The reversal of 229181852 is 258181922.

It is a super-2 number, since 2×229181852² = 105048642572299808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229181851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28647728 + ... + 28647735.

It is an arithmetic number, because the mean of its divisors is an integer number (66844708).

Almost surely, 2^229181852 is an apocalyptic number.

It is an amenable number.

229181852 is a deficient number, since it is larger than the sum of its proper divisors (171886396).

229181852 is a wasteful number, since it uses less digits than its factorization.

229181852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57295467 (or 57295465 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 229181852 is about 15138.7533172319. The cubic root of 229181852 is about 611.9652215132.

The spelling of 229181852 in words is "two hundred twenty-nine million, one hundred eighty-one thousand, eight hundred fifty-two".