1226222 has 24 divisors (see below), whose sum is σ = 2057160. Its totient is φ = 546480.

The previous prime is 1226213. The next prime is 1226237. The reversal of 1226222 is 2226221.

It is a self number, because there is not a number n which added to its sum of digits gives 1226222.

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 11 ways as a sum of consecutive naturals, for example, 20072 + ... + 20132.

It is an arithmetic number, because the mean of its divisors is an integer number (85715).

2^1226222 is an apocalyptic number.

1226222 is a deficient number, since it is larger than the sum of its proper divisors (830938).

1226222 is a wasteful number, since it uses less digits than its factorization.

1226222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 105 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 1226222 is about 1107.3490867834. The cubic root of 1226222 is about 107.0343151359.

Subtracting 1226222 from its reverse (2226221), we obtain a palindrome (999999).

The spelling of 1226222 in words is "one million, two hundred twenty-six thousand, two hundred twenty-two".