225435749 has 8 divisors (see below), whose sum is σ = 281062848. Its totient is φ = 175664160.

The previous prime is 225435731. The next prime is 225435797. The reversal of 225435749 is 947534522.

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

It is not a de Polignac number, because 225435749 - 2¹⁶ = 225370213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225435349) 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, 1463792 + ... + 1463945.

It is an arithmetic number, because the mean of its divisors is an integer number (35132856).

Almost surely, 2^225435749 is an apocalyptic number.

It is an amenable number.

225435749 is a deficient number, since it is larger than the sum of its proper divisors (55627099).

225435749 is a wasteful number, since it uses less digits than its factorization.

225435749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927755.

The product of its digits is 302400, while the sum is 41.

The square root of 225435749 is about 15014.5179409797. The cubic root of 225435749 is about 608.6125853877.

The spelling of 225435749 in words is "two hundred twenty-five million, four hundred thirty-five thousand, seven hundred forty-nine".