229251697 has 4 divisors (see below), whose sum is σ = 230034420. Its totient is φ = 228468976.

The previous prime is 229251691. The next prime is 229251707. The reversal of 229251697 is 796152922.

229251697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796152922 = 2 ⋅398076461.

It can be written as a sum of positive squares in 2 ways, for example, as 150822961 + 78428736 = 12281^2 + 8856^2 .

It is a cyclic number.

It is not a de Polignac number, because 229251697 - 2⁷ = 229251569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229251691) 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, 390922 + ... + 391507.

It is an arithmetic number, because the mean of its divisors is an integer number (57508605).

Almost surely, 2^229251697 is an apocalyptic number.

It is an amenable number.

229251697 is a deficient number, since it is larger than the sum of its proper divisors (782723).

229251697 is an equidigital number, since it uses as much as digits as its factorization.

229251697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782722.

The product of its digits is 136080, while the sum is 43.

The square root of 229251697 is about 15141.0599695002. The cubic root of 229251697 is about 612.0273822954.

The spelling of 229251697 in words is "two hundred twenty-nine million, two hundred fifty-one thousand, six hundred ninety-seven".