225777552896 has 60 divisors (see below), whose sum is σ = 515623974888. Its totient is φ = 96749617152.

The previous prime is 225777552863. The next prime is 225777552977. The reversal of 225777552896 is 698255777522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28442240 + ... + 28450176.

Almost surely, 2^225777552896 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 225777552896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257811987444).

225777552896 is an abundant number, since it is smaller than the sum of its proper divisors (289846421992).

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

225777552896 is an frugal number, since it uses more digits than its factorization.

225777552896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899 (or 7946 counting only the distinct ones).

The product of its digits is 148176000, while the sum is 65.

The spelling of 225777552896 in words is "two hundred twenty-five billion, seven hundred seventy-seven million, five hundred fifty-two thousand, eight hundred ninety-six".