225974820992 has 24 divisors (see below), whose sum is σ = 450194928285. Its totient is φ = 112984721408.

The previous prime is 225974820979. The next prime is 225974820997. The reversal of 225974820992 is 299028479522.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 188793726016 + 37181094976 = 434504^2 + 192824^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336136.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225974820997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5357168 + ... + 5399184.

Almost surely, 2^225974820992 is an apocalyptic number.

It is an amenable number.

225974820992 is a deficient number, since it is larger than the sum of its proper divisors (224220107293).

225974820992 is an frugal number, since it uses more digits than its factorization.

225974820992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84048 (or 42019 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 225974820992 in words is "two hundred twenty-five billion, nine hundred seventy-four million, eight hundred twenty thousand, nine hundred ninety-two".