225005508719 has 4 divisors (see below), whose sum is σ = 225279572280. Its totient is φ = 224731445160.

The previous prime is 225005508709. The next prime is 225005508733. The reversal of 225005508719 is 917805500522.

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

It is a cyclic number.

It is not a de Polignac number, because 225005508719 - 2⁸ = 225005508463 is a prime.

It is a super-2 number, since 2×225005508719² (a number of 24 digits) 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 225005508719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225005508709) 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, 137030549 + ... + 137032190.

It is an arithmetic number, because the mean of its divisors is an integer number (56319893070).

Almost surely, 2^225005508719 is an apocalyptic number.

225005508719 is a deficient number, since it is larger than the sum of its proper divisors (274063561).

225005508719 is an equidigital number, since it uses as much as digits as its factorization.

225005508719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274063560.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 225005508719 in words is "two hundred twenty-five billion, five million, five hundred eight thousand, seven hundred nineteen".