229248389 has 4 divisors (see below), whose sum is σ = 229660524. Its totient is φ = 228836256.

The previous prime is 229248367. The next prime is 229248403. The reversal of 229248389 is 983842922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95452900 + 133795489 = 9770^2 + 11567^2 .

It is a cyclic number.

It is not a de Polignac number, because 229248389 - 2⁸ = 229248133 is a prime.

It is a super-4 number, since 4×229248389⁴ (a number of 35 digits) contains 4444 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 (229248329) 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 in 3 ways as a sum of consecutive naturals, for example, 205232 + ... + 206345.

It is an arithmetic number, because the mean of its divisors is an integer number (57415131).

Almost surely, 2^229248389 is an apocalyptic number.

It is an amenable number.

229248389 is a deficient number, since it is larger than the sum of its proper divisors (412135).

229248389 is an equidigital number, since it uses as much as digits as its factorization.

229248389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412134.

The product of its digits is 497664, while the sum is 47.

The square root of 229248389 is about 15140.9507297263. The cubic root of 229248389 is about 612.0244385203.

It can be divided in two parts, 22924 and 8389, that added together give a palindrome (31313).

The spelling of 229248389 in words is "two hundred twenty-nine million, two hundred forty-eight thousand, three hundred eighty-nine".