225743952 has 80 divisors (see below), whose sum is σ = 705704832. Its totient is φ = 60702720.

The previous prime is 225743941. The next prime is 225743957. The reversal of 225743952 is 259347522.

It is a self number, because there is not a number n which added to its sum of digits gives 225743952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225743957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14049 + ... + 25472.

Almost surely, 2^225743952 is an apocalyptic number.

It is an amenable number.

225743952 is an abundant number, since it is smaller than the sum of its proper divisors (479960880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225743952 is a wasteful number, since it uses less digits than its factorization.

225743952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39556 (or 39550 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 225743952 is about 15024.7779351310. Note that the first 3 decimals coincide. The cubic root of 225743952 is about 608.8898126526.

The spelling of 225743952 in words is "two hundred twenty-five million, seven hundred forty-three thousand, nine hundred fifty-two".