224420004 has 48 divisors (see below), whose sum is σ = 584115840. Its totient is φ = 74512800.

The previous prime is 224419973. The next prime is 224420029. The reversal of 224420004 is 400024422.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 24454 + ... + 32354.

It is an arithmetic number, because the mean of its divisors is an integer number (12169080).

Almost surely, 2^224420004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224420004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292057920).

224420004 is an abundant number, since it is smaller than the sum of its proper divisors (359695836).

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

224420004 is a wasteful number, since it uses less digits than its factorization.

224420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8177 (or 8169 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 224420004 is about 14980.6543248284. The cubic root of 224420004 is about 607.6971346204.

Adding to 224420004 its reverse (400024422), we get a palindrome (624444426).

The spelling of 224420004 in words is "two hundred twenty-four million, four hundred twenty thousand, four".