224878 has 8 divisors (see below), whose sum is σ = 339480. Its totient is φ = 111720.

The previous prime is 224869. The next prime is 224881. The reversal of 224878 is 878422.

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

It is a super-2 number, since 2×224878² = 101140229768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (42435).

2²²⁴⁸⁷⁸ is an apocalyptic number.

224878 is a deficient number, since it is larger than the sum of its proper divisors (114602).

224878 is a wasteful number, since it uses less digits than its factorization.

224878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722.

The product of its digits is 7168, while the sum is 31.

The square root of 224878 is about 474.2130322967. The cubic root of 224878 is about 60.8110249513.

It can be divided in two parts, 22 and 4878, that added together give a square (4900 = 70²).

The spelling of 224878 in words is "two hundred twenty-four thousand, eight hundred seventy-eight".