225405550331552 has 48 divisors (see below), whose sum is σ = 444566385024552. Its totient is φ = 112499867504640.

The previous prime is 225405550331539. The next prime is 225405550331581. The reversal of 225405550331552 is 255133055504522.

It can be written as a sum of positive squares in 4 ways, for example, as 117526500449296 + 107879049882256 = 10840964^2 + 10386484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225405550331497 and 225405550331506.

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, 109009052 + ... + 111057572.

Almost surely, 2^{225405550331552} is an apocalyptic number.

It is an amenable number.

225405550331552 is a deficient number, since it is larger than the sum of its proper divisors (219160834693000).

225405550331552 is a wasteful number, since it uses less digits than its factorization.

225405550331552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054721 (or 2054713 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 225405550331552 in words is "two hundred twenty-five trillion, four hundred five billion, five hundred fifty million, three hundred thirty-one thousand, five hundred fifty-two".