225550144801 has 4 divisors (see below), whose sum is σ = 225551924100. Its totient is φ = 225548365504.

The previous prime is 225550144669. The next prime is 225550144817. The reversal of 225550144801 is 108441055522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113164287201 + 112385857600 = 336399^2 + 335240^2 .

It is a cyclic number.

It is not a de Polignac number, because 225550144801 - 2²¹ = 225548047649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225550145801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683596 + ... + 958333.

It is an arithmetic number, because the mean of its divisors is an integer number (56387981025).

Almost surely, 2^225550144801 is an apocalyptic number.

It is an amenable number.

225550144801 is a deficient number, since it is larger than the sum of its proper divisors (1779299).

225550144801 is a wasteful number, since it uses less digits than its factorization.

225550144801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779298.

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 225550144801 in words is "two hundred twenty-five billion, five hundred fifty million, one hundred forty-four thousand, eight hundred one".