222304224 has 48 divisors (see below), whose sum is σ = 602380800. Its totient is φ = 71710080.

The previous prime is 222304213. The next prime is 222304253. The reversal of 222304224 is 422403222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 222304224.

It is a congruent number.

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, 34374 + ... + 40325.

It is an arithmetic number, because the mean of its divisors is an integer number (12549600).

Almost surely, 2^222304224 is an apocalyptic number.

222304224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222304224 is an abundant number, since it is smaller than the sum of its proper divisors (380076576).

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

222304224 is a wasteful number, since it uses less digits than its factorization.

222304224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74743 (or 74735 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 222304224 is about 14909.8700195542. The cubic root of 222304224 is about 605.7813586746.

Adding to 222304224 its reverse (422403222), we get a palindrome (644707446).

The spelling of 222304224 in words is "two hundred twenty-two million, three hundred four thousand, two hundred twenty-four".