225203557701 has 8 divisors (see below), whose sum is σ = 300308924704. Its totient is φ = 150116947920.

The previous prime is 225203557699. The next prime is 225203557721. The reversal of 225203557701 is 107755302522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225203557701 - 2¹ = 225203557699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225203557701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225203557721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661266 + ... + 4709331.

It is an arithmetic number, because the mean of its divisors is an integer number (37538615588).

Almost surely, 2^225203557701 is an apocalyptic number.

It is an amenable number.

225203557701 is a deficient number, since it is larger than the sum of its proper divisors (75105367003).

225203557701 is an equidigital number, since it uses as much as digits as its factorization.

225203557701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9378611.

The product of its (nonzero) digits is 147000, while the sum is 39.

The spelling of 225203557701 in words is "two hundred twenty-five billion, two hundred three million, five hundred fifty-seven thousand, seven hundred one".