225439697 has 8 divisors (see below), whose sum is σ = 261274752. Its totient is φ = 190512000.

The previous prime is 225439681. The next prime is 225439699. The reversal of 225439697 is 796934522.

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

It is not a de Polignac number, because 225439697 - 2⁴ = 225439681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225439699) 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, 226304 + ... + 227297.

It is an arithmetic number, because the mean of its divisors is an integer number (32659344).

Almost surely, 2^225439697 is an apocalyptic number.

It is an amenable number.

225439697 is a deficient number, since it is larger than the sum of its proper divisors (35835055).

225439697 is an equidigital number, since it uses as much as digits as its factorization.

225439697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453679.

The product of its digits is 816480, while the sum is 47.

The square root of 225439697 is about 15014.6494131565. The cubic root of 225439697 is about 608.6161381938.

The spelling of 225439697 in words is "two hundred twenty-five million, four hundred thirty-nine thousand, six hundred ninety-seven".