224145544 has 32 divisors (see below), whose sum is σ = 508567680. Its totient is φ = 90411264.

The previous prime is 224145539. The next prime is 224145569. The reversal of 224145544 is 445541422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116772 + ... + 118675.

It is an arithmetic number, because the mean of its divisors is an integer number (15892740).

Almost surely, 2^224145544 is an apocalyptic number.

It is an amenable number.

224145544 is an abundant number, since it is smaller than the sum of its proper divisors (284422136).

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

224145544 is a wasteful number, since it uses less digits than its factorization.

224145544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235477 (or 235473 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 224145544 is about 14971.4910413091. The cubic root of 224145544 is about 607.4493008094.

Adding to 224145544 its reverse (445541422), we get a palindrome (669686966).

The spelling of 224145544 in words is "two hundred twenty-four million, one hundred forty-five thousand, five hundred forty-four".