225732544 has 14 divisors (see below), whose sum is σ = 447938144. Its totient is φ = 112866240.

The previous prime is 225732541. The next prime is 225732547. The reversal of 225732544 is 445237522.

225732544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225732541) and next prime (225732547).

It is a super-3 number, since 3×225732544³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225732541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1763472 + ... + 1763599.

Almost surely, 2^225732544 is an apocalyptic number.

It is an amenable number.

225732544 is a deficient number, since it is larger than the sum of its proper divisors (222205600).

225732544 is an equidigital number, since it uses as much as digits as its factorization.

225732544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527083 (or 3527073 counting only the distinct ones).

The product of its digits is 67200, while the sum is 34.

The square root of 225732544 is about 15024.3982907802. The cubic root of 225732544 is about 608.8795557045.

The spelling of 225732544 in words is "two hundred twenty-five million, seven hundred thirty-two thousand, five hundred forty-four".