225633943 has 8 divisors (see below), whose sum is σ = 231623568. Its totient is φ = 219678144.

The previous prime is 225633917. The next prime is 225633959. The reversal of 225633943 is 349336522.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225633943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225633913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5355 + ... + 21907.

It is an arithmetic number, because the mean of its divisors is an integer number (28952946).

Almost surely, 2^225633943 is an apocalyptic number.

225633943 is a deficient number, since it is larger than the sum of its proper divisors (5989625).

225633943 is a wasteful number, since it uses less digits than its factorization.

225633943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16913.

The product of its digits is 116640, while the sum is 37.

The square root of 225633943 is about 15021.1165696828. The cubic root of 225633943 is about 608.7908890086.

It can be divided in two parts, 225633 and 943, that added together give a square (226576 = 476²).

The spelling of 225633943 in words is "two hundred twenty-five million, six hundred thirty-three thousand, nine hundred forty-three".