225773819648 has 72 divisors (see below), whose sum is σ = 497169977136. Its totient is φ = 101661696000.

The previous prime is 225773819639. The next prime is 225773819651. The reversal of 225773819648 is 846918377522.

It is a super-3 number, since 3×225773819648³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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, 690878 + ... + 963773.

Almost surely, 2^225773819648 is an apocalyptic number.

It is an amenable number.

225773819648 is an abundant number, since it is smaller than the sum of its proper divisors (271396157488).

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

225773819648 is a wasteful number, since it uses less digits than its factorization.

225773819648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654721 (or 1654707 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 62.

The spelling of 225773819648 in words is "two hundred twenty-five billion, seven hundred seventy-three million, eight hundred nineteen thousand, six hundred forty-eight".