225112643 has 8 divisors (see below), whose sum is σ = 257382912. Its totient is φ = 192870216.

The previous prime is 225112621. The next prime is 225112649. The reversal of 225112643 is 346211522.

It is a happy number.

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

It is not a de Polignac number, because 225112643 - 2⁶ = 225112579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225112649) 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, 14996 + ... + 25982.

It is an arithmetic number, because the mean of its divisors is an integer number (32172864).

Almost surely, 2^225112643 is an apocalyptic number.

225112643 is a deficient number, since it is larger than the sum of its proper divisors (32270269).

225112643 is a wasteful number, since it uses less digits than its factorization.

225112643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13921.

The product of its digits is 2880, while the sum is 26.

The square root of 225112643 is about 15003.7542968418. The cubic root of 225112643 is about 608.3216815099.

The spelling of 225112643 in words is "two hundred twenty-five million, one hundred twelve thousand, six hundred forty-three".