225214172461 has 4 divisors (see below), whose sum is σ = 225221334912. Its totient is φ = 225207010012.

The previous prime is 225214172429. The next prime is 225214172501. The reversal of 225214172461 is 164271412522.

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 225214172461 - 2⁵ = 225214172429 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 225214172461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225214172401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533851 + ... + 3597016.

It is an arithmetic number, because the mean of its divisors is an integer number (56305333728).

Almost surely, 2^225214172461 is an apocalyptic number.

It is an amenable number.

225214172461 is a deficient number, since it is larger than the sum of its proper divisors (7162451).

225214172461 is an equidigital number, since it uses as much as digits as its factorization.

225214172461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162450.

The product of its digits is 53760, while the sum is 37.

Adding to 225214172461 its reverse (164271412522), we get a palindrome (389485584983).

The spelling of 225214172461 in words is "two hundred twenty-five billion, two hundred fourteen million, one hundred seventy-two thousand, four hundred sixty-one".