225798720050 has 162 divisors, whose sum is σ = 460708557687. Its totient is φ = 82318536960.

The previous prime is 225798720031. The next prime is 225798720053. The reversal of 225798720050 is 50027897522.

It can be written as a sum of positive squares in 5 ways, for example, as 147027000481 + 78771719569 = 383441^2 + 280663^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336005.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225798719977 and 225798720004.

It is not an unprimeable number, because it can be changed into a prime (225798720053) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3370130117 + ... + 3370130183.

Almost surely, 2^225798720050 is an apocalyptic number.

225798720050 is an abundant number, since it is smaller than the sum of its proper divisors (234909837637).

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

225798720050 is an equidigital number, since it uses as much as digits as its factorization.

225798720050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 225798720050 in words is "two hundred twenty-five billion, seven hundred ninety-eight million, seven hundred twenty thousand, fifty".