224213478 has 16 divisors (see below), whose sum is σ = 448723056. Its totient is φ = 74688480.

The previous prime is 224213477. The next prime is 224213497. The reversal of 224213478 is 874312422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224213477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801 + ... + 21252.

It is an arithmetic number, because the mean of its divisors is an integer number (28045191).

Almost surely, 2^224213478 is an apocalyptic number.

224213478 is an abundant number, since it is smaller than the sum of its proper divisors (224509578).

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

224213478 is a wasteful number, since it uses less digits than its factorization.

224213478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24679.

The product of its digits is 21504, while the sum is 33.

The square root of 224213478 is about 14973.7596481311. The cubic root of 224213478 is about 607.5106631602.

The spelling of 224213478 in words is "two hundred twenty-four million, two hundred thirteen thousand, four hundred seventy-eight".