222226844 has 12 divisors (see below), whose sum is σ = 444453744. Its totient is φ = 95240064.

The previous prime is 222226813. The next prime is 222226853. The reversal of 222226844 is 448622222.

222226844 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 222226844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968309 + ... + 3968364.

It is an arithmetic number, because the mean of its divisors is an integer number (37037812).

Almost surely, 2^222226844 is an apocalyptic number.

It is an amenable number.

222226844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222226844 is a wasteful number, since it uses less digits than its factorization.

222226844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936684 (or 7936682 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 222226844 is about 14907.2748683319. The cubic root of 222226844 is about 605.7110634121.

The spelling of 222226844 in words is "two hundred twenty-two million, two hundred twenty-six thousand, eight hundred forty-four".