229225047 has 4 divisors (see below), whose sum is σ = 305633400. Its totient is φ = 152816696.

The previous prime is 229225033. The next prime is 229225049. The reversal of 229225047 is 740522922.

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

It is a cyclic number.

It is not a de Polignac number, because 229225047 - 2¹² = 229220951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229224999 and 229225017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229225049) 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, 38204172 + ... + 38204177.

It is an arithmetic number, because the mean of its divisors is an integer number (76408350).

Almost surely, 2^229225047 is an apocalyptic number.

229225047 is a deficient number, since it is larger than the sum of its proper divisors (76408353).

229225047 is an equidigital number, since it uses as much as digits as its factorization.

229225047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76408352.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 229225047 is about 15140.1798866460. The cubic root of 229225047 is about 612.0036657690.

Adding to 229225047 its reverse (740522922), we get a palindrome (969747969).

The spelling of 229225047 in words is "two hundred twenty-nine million, two hundred twenty-five thousand, forty-seven".