229742022 has 8 divisors (see below), whose sum is σ = 459484056. Its totient is φ = 76580672.

The previous prime is 229742021. The next prime is 229742027. The reversal of 229742022 is 220247922.

It is a sphenic number, since it is the product of 3 distinct primes.

229742022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229742021) 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, 19145163 + ... + 19145174.

It is an arithmetic number, because the mean of its divisors is an integer number (57435507).

Almost surely, 2^229742022 is an apocalyptic number.

229742022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

229742022 is a wasteful number, since it uses less digits than its factorization.

229742022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38290342.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 229742022 is about 15157.2432190026. The cubic root of 229742022 is about 612.4634076154.

Adding to 229742022 its reverse (220247922), we get a palindrome (449989944).

The spelling of 229742022 in words is "two hundred twenty-nine million, seven hundred forty-two thousand, twenty-two".