1224222 has 16 divisors (see below), whose sum is σ = 2462592. Its totient is φ = 405720.

The previous prime is 1224217. The next prime is 1224229. The reversal of 1224222 is 2224221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224229) by changing a digit.

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, 783 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (153912).

2^1224222 is an apocalyptic number.

1224222 is an abundant number, since it is smaller than the sum of its proper divisors (1238370).

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

1224222 is a wasteful number, since it uses less digits than its factorization.

1224222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183.

The product of its digits is 128, while the sum is 15.

The square root of 1224222 is about 1106.4456606630. The cubic root of 1224222 is about 106.9760915517.

Adding to 1224222 its reverse (2224221), we get a palindrome (3448443).

Subtracting 1224222 from its reverse (2224221), we obtain a palindrome (999999).

The spelling of 1224222 in words is "one million, two hundred twenty-four thousand, two hundred twenty-two".