225774719 has 4 divisors (see below), whose sum is σ = 225949296. Its totient is φ = 225600144.

The previous prime is 225774713. The next prime is 225774721. The reversal of 225774719 is 917477522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225774719 is a prime.

It is a super-2 number, since 2×225774719² = 101948447479057922, which contains 22 as substring.

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 225774719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225774713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85334 + ... + 87939.

It is an arithmetic number, because the mean of its divisors is an integer number (56487324).

Almost surely, 2^225774719 is an apocalyptic number.

225774719 is a deficient number, since it is larger than the sum of its proper divisors (174577).

225774719 is a wasteful number, since it uses less digits than its factorization.

225774719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174576.

The product of its digits is 246960, while the sum is 44.

The square root of 225774719 is about 15025.8017756125. The cubic root of 225774719 is about 608.9174735810.

The spelling of 225774719 in words is "two hundred twenty-five million, seven hundred seventy-four thousand, seven hundred nineteen".