225167472449 has 4 divisors (see below), whose sum is σ = 225218110464. Its totient is φ = 225116834436.

The previous prime is 225167472433. The next prime is 225167472451. The reversal of 225167472449 is 944274761522.

It is a happy number.

225167472449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225167472449 - 2⁴ = 225167472433 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 225167472449.

It is not an unprimeable number, because it can be changed into a prime (225167472499) 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, 25312337 + ... + 25321230.

It is an arithmetic number, because the mean of its divisors is an integer number (56304527616).

Almost surely, 2^225167472449 is an apocalyptic number.

It is an amenable number.

225167472449 is a deficient number, since it is larger than the sum of its proper divisors (50638015).

225167472449 is an equidigital number, since it uses as much as digits as its factorization.

225167472449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50638014.

The product of its digits is 6773760, while the sum is 53.

The spelling of 225167472449 in words is "two hundred twenty-five billion, one hundred sixty-seven million, four hundred seventy-two thousand, four hundred forty-nine".