222404244 has 24 divisors (see below), whose sum is σ = 519214080. Its totient is φ = 74096064.

The previous prime is 222404239. The next prime is 222404263. The reversal of 222404244 is 442404222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28077 + ... + 35115.

It is an arithmetic number, because the mean of its divisors is an integer number (21633920).

Almost surely, 2^222404244 is an apocalyptic number.

It is an amenable number.

222404244 is an abundant number, since it is smaller than the sum of its proper divisors (296809836).

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

222404244 is a wasteful number, since it uses less digits than its factorization.

222404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679 (or 9677 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 222404244 is about 14913.2237963493. The cubic root of 222404244 is about 605.8721969048.

Adding to 222404244 its reverse (442404222), we get a palindrome (664808466).

The spelling of 222404244 in words is "two hundred twenty-two million, four hundred four thousand, two hundred forty-four".