225546351 has 4 divisors (see below), whose sum is σ = 300728472. Its totient is φ = 150364232.

The previous prime is 225546337. The next prime is 225546353. The reversal of 225546351 is 153645522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225546351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225546353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37591056 + ... + 37591061.

It is an arithmetic number, because the mean of its divisors is an integer number (75182118).

Almost surely, 2^225546351 is an apocalyptic number.

225546351 is a deficient number, since it is larger than the sum of its proper divisors (75182121).

225546351 is an equidigital number, since it uses as much as digits as its factorization.

225546351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75182120.

The product of its digits is 36000, while the sum is 33.

The square root of 225546351 is about 15018.2006578684. The cubic root of 225546351 is about 608.7121004589.

The spelling of 225546351 in words is "two hundred twenty-five million, five hundred forty-six thousand, three hundred fifty-one".