229638747 has 8 divisors (see below), whose sum is σ = 329737744. Its totient is φ = 141316128.

The previous prime is 229638743. The next prime is 229638749. The reversal of 229638747 is 747836922.

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

It is not a de Polignac number, because 229638747 - 2² = 229638743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229638696 and 229638705.

It is not an unprimeable number, because it can be changed into a prime (229638743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944048 + ... + 2944125.

It is an arithmetic number, because the mean of its divisors is an integer number (41217218).

Almost surely, 2^229638747 is an apocalyptic number.

229638747 is a deficient number, since it is larger than the sum of its proper divisors (100098997).

229638747 is a wasteful number, since it uses less digits than its factorization.

229638747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888189.

The product of its digits is 1016064, while the sum is 48.

The square root of 229638747 is about 15153.8360490009. The cubic root of 229638747 is about 612.3716211294.

The spelling of 229638747 in words is "two hundred twenty-nine million, six hundred thirty-eight thousand, seven hundred forty-seven".