225781354922 has 8 divisors (see below), whose sum is σ = 338798552196. Its totient is φ = 112848504192.

The previous prime is 225781354921. The next prime is 225781354937. The reversal of 225781354922 is 229453187522.

225781354922 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 206596611841 + 19184743081 = 454529^2 + 138509^2 .

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

It is not an unprimeable number, because it can be changed into a prime (225781354921) 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 3 ways as a sum of consecutive naturals, for example, 21079943 + ... + 21090650.

Almost surely, 2^225781354922 is an apocalyptic number.

225781354922 is a deficient number, since it is larger than the sum of its proper divisors (113017197274).

225781354922 is a wasteful number, since it uses less digits than its factorization.

225781354922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42173272.

The product of its digits is 2419200, while the sum is 50.

The spelling of 225781354922 in words is "two hundred twenty-five billion, seven hundred eighty-one million, three hundred fifty-four thousand, nine hundred twenty-two".