225235877632 has 72 divisors (see below), whose sum is σ = 471961889280. Its totient is φ = 107137674240.

The previous prime is 225235877627. The next prime is 225235877651. The reversal of 225235877632 is 236778532522.

It is a self number, because there is not a number n which added to its sum of digits gives 225235877632.

It is a congruent number.

It is an unprimeable number.

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, 227703 + ... + 708745.

It is an arithmetic number, because the mean of its divisors is an integer number (6555026240).

Almost surely, 2^225235877632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225235877632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235980944640).

225235877632 is an abundant number, since it is smaller than the sum of its proper divisors (246726011648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225235877632 is an equidigital number, since it uses as much as digits as its factorization.

225235877632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481149 (or 481135 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 52.

The spelling of 225235877632 in words is "two hundred twenty-five billion, two hundred thirty-five million, eight hundred seventy-seven thousand, six hundred thirty-two".