229230381 has 4 divisors (see below), whose sum is σ = 305640512. Its totient is φ = 152820252.

The previous prime is 229230371. The next prime is 229230403. The reversal of 229230381 is 183032922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 229230381 - 2¹¹ = 229228333 is a prime.

It is a super-2 number, since 2×229230381² = 105093135146810322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229230371) 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, 38205061 + ... + 38205066.

It is an arithmetic number, because the mean of its divisors is an integer number (76410128).

Almost surely, 2^229230381 is an apocalyptic number.

It is an amenable number.

229230381 is a deficient number, since it is larger than the sum of its proper divisors (76410131).

229230381 is an equidigital number, since it uses as much as digits as its factorization.

229230381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76410130.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 229230381 is about 15140.3560394067. The cubic root of 229230381 is about 612.0084127811.

The spelling of 229230381 in words is "two hundred twenty-nine million, two hundred thirty thousand, three hundred eighty-one".