224521004 has 12 divisors (see below), whose sum is σ = 393025584. Its totient is φ = 112227984.

The previous prime is 224520997. The next prime is 224521013. The reversal of 224521004 is 400125422.

It is a happy 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, 14249 + ... + 25535.

It is an arithmetic number, because the mean of its divisors is an integer number (32752132).

Almost surely, 2^224521004 is an apocalyptic number.

It is an amenable number.

224521004 is a deficient number, since it is larger than the sum of its proper divisors (168504580).

224521004 is a wasteful number, since it uses less digits than its factorization.

224521004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16264 (or 16262 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 224521004 is about 14984.0249599365. The cubic root of 224521004 is about 607.7882854450.

Adding to 224521004 its reverse (400125422), we get a palindrome (624646426).

The spelling of 224521004 in words is "two hundred twenty-four million, five hundred twenty-one thousand, four".