225656440433 has 8 divisors (see below), whose sum is σ = 227222117280. Its totient is φ = 224095445280.

The previous prime is 225656440291. The next prime is 225656440453. The reversal of 225656440433 is 334044656522.

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 225656440433 - 2¹⁰ = 225656439409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225656440453) 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, 1073663 + ... + 1266516.

It is an arithmetic number, because the mean of its divisors is an integer number (28402764660).

Almost surely, 2^225656440433 is an apocalyptic number.

It is an amenable number.

225656440433 is a deficient number, since it is larger than the sum of its proper divisors (1565676847).

225656440433 is a wasteful number, since it uses less digits than its factorization.

225656440433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340847.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 225656440433 in words is "two hundred twenty-five billion, six hundred fifty-six million, four hundred forty thousand, four hundred thirty-three".