225050221543461 has 4 divisors (see below), whose sum is σ = 300066962057952. Its totient is φ = 150033481028972.

The previous prime is 225050221543379. The next prime is 225050221543523. The reversal of 225050221543461 is 164345122050522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225050221543461 - 2¹⁷ = 225050221412389 is a prime.

It is a super-2 number, since 2×225050221543461² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225050221543061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37508370257241 + ... + 37508370257246.

It is an arithmetic number, because the mean of its divisors is an integer number (75016740514488).

Almost surely, 2^{225050221543461} is an apocalyptic number.

It is an amenable number.

225050221543461 is a deficient number, since it is larger than the sum of its proper divisors (75016740514491).

225050221543461 is an equidigital number, since it uses as much as digits as its factorization.

225050221543461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75016740514490.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 225050221543461 its reverse (164345122050522), we get a palindrome (389395343593983).

The spelling of 225050221543461 in words is "two hundred twenty-five trillion, fifty billion, two hundred twenty-one million, five hundred forty-three thousand, four hundred sixty-one".