224995 has 8 divisors (see below), whose sum is σ = 285984. Its totient is φ = 169344.

The previous prime is 224993. The next prime is 225023. The reversal of 224995 is 599422.

224995 = T₂₆ + T₂₇ + ... + T₁₁₀.

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

It is a 7-Lehmer number, since φ(224995) divides (224995-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 224995 - 2¹ = 224993 is a prime.

It is a Duffinian number.

224995 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (224993) 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, 1239 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (35748).

2²²⁴⁹⁹⁵ is an apocalyptic number.

224995 is a deficient number, since it is larger than the sum of its proper divisors (60989).

224995 is a wasteful number, since it uses less digits than its factorization.

224995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its digits is 6480, while the sum is 31.

The square root of 224995 is about 474.3363785332. The cubic root of 224995 is about 60.8215694189.

The spelling of 224995 in words is "two hundred twenty-four thousand, nine hundred ninety-five".