225729930427 has 8 divisors (see below), whose sum is σ = 226195444800. Its totient is φ = 225264674304.

The previous prime is 225729930409. The next prime is 225729930457. The reversal of 225729930427 is 724039927522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 225729930427 - 2¹¹ = 225729928379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225729930457) 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, 1736949 + ... + 1862377.

It is an arithmetic number, because the mean of its divisors is an integer number (28274430600).

Almost surely, 2^225729930427 is an apocalyptic number.

225729930427 is a deficient number, since it is larger than the sum of its proper divisors (465514373).

225729930427 is a wasteful number, since it uses less digits than its factorization.

225729930427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129125.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 225729930427 in words is "two hundred twenty-five billion, seven hundred twenty-nine million, nine hundred thirty thousand, four hundred twenty-seven".