224521442 has 8 divisors (see below), whose sum is σ = 354507600. Its totient is φ = 106352244.

The previous prime is 224521433. The next prime is 224521459. The reversal of 224521442 is 244125422.

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

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, 2954192 + ... + 2954267.

It is an arithmetic number, because the mean of its divisors is an integer number (44313450).

Almost surely, 2^224521442 is an apocalyptic number.

224521442 is a deficient number, since it is larger than the sum of its proper divisors (129986158).

224521442 is a wasteful number, since it uses less digits than its factorization.

224521442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908480.

The product of its digits is 5120, while the sum is 26.

The square root of 224521442 is about 14984.0395754950. The cubic root of 224521442 is about 607.7886806732.

Adding to 224521442 its reverse (244125422), we get a palindrome (468646864).

The spelling of 224521442 in words is "two hundred twenty-four million, five hundred twenty-one thousand, four hundred forty-two".