224858 has 4 divisors (see below), whose sum is σ = 337290. Its totient is φ = 112428.

The previous prime is 224831. The next prime is 224863. The reversal of 224858 is 858422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858422 = 2 ⋅429211.

It can be written as a sum of positive squares in only one way, i.e., 170569 + 54289 = 413^2 + 233^2 .

It is a super-2 number, since 2×224858² = 101122240328, 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 224858.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56213 + ... + 56216.

2²²⁴⁸⁵⁸ is an apocalyptic number.

224858 is a deficient number, since it is larger than the sum of its proper divisors (112432).

224858 is a wasteful number, since it uses less digits than its factorization.

224858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112431.

The product of its digits is 5120, while the sum is 29.

The square root of 224858 is about 474.1919442589. The cubic root of 224858 is about 60.8092221122.

The spelling of 224858 in words is "two hundred twenty-four thousand, eight hundred fifty-eight".