225507443 has 8 divisors (see below), whose sum is σ = 260380512. Its totient is φ = 191298816.

The previous prime is 225507413. The next prime is 225507487. The reversal of 225507443 is 344705522.

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 225507443 - 2⁶ = 225507379 is a prime.

It is a super-3 number, since 3×225507443³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225507413) 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, 165380 + ... + 166737.

It is an arithmetic number, because the mean of its divisors is an integer number (32547564).

Almost surely, 2^225507443 is an apocalyptic number.

225507443 is a deficient number, since it is larger than the sum of its proper divisors (34873069).

225507443 is an equidigital number, since it uses as much as digits as its factorization.

225507443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332221.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 225507443 is about 15016.9052404282. The cubic root of 225507443 is about 608.6770963717.

The spelling of 225507443 in words is "two hundred twenty-five million, five hundred seven thousand, four hundred forty-three".