224478138 has 8 divisors (see below), whose sum is σ = 448956288. Its totient is φ = 74826044.

The previous prime is 224478113. The next prime is 224478167. The reversal of 224478138 is 831874422.

224478138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

224478138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 224478096 and 224478105.

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, 18706506 + ... + 18706517.

It is an arithmetic number, because the mean of its divisors is an integer number (56119536).

Almost surely, 2^224478138 is an apocalyptic number.

224478138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224478138 is a wasteful number, since it uses less digits than its factorization.

224478138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37413028.

The product of its digits is 86016, while the sum is 39.

The square root of 224478138 is about 14982.5945016209. The cubic root of 224478138 is about 607.7496029307.

The spelling of 224478138 in words is "two hundred twenty-four million, four hundred seventy-eight thousand, one hundred thirty-eight".