225719 has 8 divisors (see below), whose sum is σ = 246960. Its totient is φ = 205056.

The previous prime is 225697. The next prime is 225721. The reversal of 225719 is 917522.

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

It is a cyclic number.

It is not a de Polignac number, because 225719 - 2¹² = 221623 is a prime.

It is a super-2 number, since 2×225719² = 101898133922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225749) 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, 1172 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (30870).

2²²⁵⁷¹⁹ is an apocalyptic number.

225719 is a deficient number, since it is larger than the sum of its proper divisors (21241).

225719 is a wasteful number, since it uses less digits than its factorization.

225719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its digits is 1260, while the sum is 26.

The square root of 225719 is about 475.0989370647. The cubic root of 225719 is about 60.8867377827.

The spelling of 225719 in words is "two hundred twenty-five thousand, seven hundred nineteen".