225727429 has 8 divisors (see below), whose sum is σ = 238855680. Its totient is φ = 212724000.

The previous prime is 225727409. The next prime is 225727433. The reversal of 225727429 is 924727522.

It is a happy number.

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

It is not a de Polignac number, because 225727429 - 2²⁷ = 91509701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225727391 and 225727400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225727409) 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, 27472 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (29856960).

Almost surely, 2^225727429 is an apocalyptic number.

It is an amenable number.

225727429 is a deficient number, since it is larger than the sum of its proper divisors (13128251).

225727429 is a wasteful number, since it uses less digits than its factorization.

225727429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62411.

The product of its digits is 141120, while the sum is 40.

The square root of 225727429 is about 15024.2280666928. The cubic root of 225727429 is about 608.8749566890.

The spelling of 225727429 in words is "two hundred twenty-five million, seven hundred twenty-seven thousand, four hundred twenty-nine".