225124719 has 8 divisors (see below), whose sum is σ = 300951552. Its totient is φ = 149690520.

The previous prime is 225124663. The next prime is 225124721. The reversal of 225124719 is 917421522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225124719 - 2¹⁶ = 225059183 is a prime.

It is a super-2 number, since 2×225124719² = 101362278209657922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225124719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225124619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96817 + ... + 99114.

It is an arithmetic number, because the mean of its divisors is an integer number (37618944).

Almost surely, 2^225124719 is an apocalyptic number.

225124719 is a deficient number, since it is larger than the sum of its proper divisors (75826833).

225124719 is a wasteful number, since it uses less digits than its factorization.

225124719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196317.

The product of its digits is 10080, while the sum is 33.

The square root of 225124719 is about 15004.1567240548. The cubic root of 225124719 is about 608.3325589698.

The spelling of 225124719 in words is "two hundred twenty-five million, one hundred twenty-four thousand, seven hundred nineteen".