229479251 has 4 divisors (see below), whose sum is σ = 229783152. Its totient is φ = 229175352.

The previous prime is 229479227. The next prime is 229479259. The reversal of 229479251 is 152974922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152974922 = 2 ⋅76487461.

It is a cyclic number.

It is not a de Polignac number, because 229479251 - 2²⁶ = 162370387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229479199 and 229479208.

It is not an unprimeable number, because it can be changed into a prime (229479259) 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, 150815 + ... + 152328.

It is an arithmetic number, because the mean of its divisors is an integer number (57445788).

Almost surely, 2^229479251 is an apocalyptic number.

229479251 is a deficient number, since it is larger than the sum of its proper divisors (303901).

229479251 is an equidigital number, since it uses as much as digits as its factorization.

229479251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303900.

The product of its digits is 90720, while the sum is 41.

The square root of 229479251 is about 15148.5725730182. The cubic root of 229479251 is about 612.2298136941.

The spelling of 229479251 in words is "two hundred twenty-nine million, four hundred seventy-nine thousand, two hundred fifty-one".