224655 has 16 divisors (see below), whose sum is σ = 381024. Its totient is φ = 112640.

The previous prime is 224633. The next prime is 224669. The reversal of 224655 is 556422.

224655 = T₁₅₄ + T₁₅₅ + ... + T₁₇₀.

It is not a de Polignac number, because 224655 - 2⁶ = 224591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186 + ... + 695.

It is an arithmetic number, because the mean of its divisors is an integer number (23814).

2²²⁴⁶⁵⁵ is an apocalyptic number.

224655 is a deficient number, since it is larger than the sum of its proper divisors (156369).

224655 is a wasteful number, since it uses less digits than its factorization.

224655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its digits is 2400, while the sum is 24.

The square root of 224655 is about 473.9778475836. The cubic root of 224655 is about 60.7909172432.

The spelling of 224655 in words is "two hundred twenty-four thousand, six hundred fifty-five".