225275042550 has 48 divisors (see below), whose sum is σ = 560478627072. Its totient is φ = 59880170400.

The previous prime is 225275042539. The next prime is 225275042561. The reversal of 225275042550 is 55240572522.

It is an interprime number because it is at equal distance from previous prime (225275042539) and next prime (225275042561).

It is a junction number, because it is equal to n+sod(n) for n = 225275042499 and 225275042508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2367874 + ... + 2461173.

It is an arithmetic number, because the mean of its divisors is an integer number (11676638064).

Almost surely, 2^225275042550 is an apocalyptic number.

225275042550 is an abundant number, since it is smaller than the sum of its proper divisors (335203584522).

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

225275042550 is a wasteful number, since it uses less digits than its factorization.

225275042550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829373 (or 4829368 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 39.

The spelling of 225275042550 in words is "two hundred twenty-five billion, two hundred seventy-five million, forty-two thousand, five hundred fifty".