225046274560 has 80 divisors (see below), whose sum is σ = 541962026496. Its totient is φ = 89621721088.

The previous prime is 225046274419. The next prime is 225046274581. The reversal of 225046274560 is 65472640522.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387489 + ... + 774751.

Almost surely, 2^225046274560 is an apocalyptic number.

225046274560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225046274560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270981013248).

225046274560 is an abundant number, since it is smaller than the sum of its proper divisors (316915751936).

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

225046274560 is an equidigital number, since it uses as much as digits as its factorization.

225046274560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387513 (or 387497 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 225046274560 in words is "two hundred twenty-five billion, forty-six million, two hundred seventy-four thousand, five hundred sixty".