1222040222 has 16 divisors (see below), whose sum is σ = 2042137440. Its totient is φ = 544569312.

The previous prime is 1222040203. The next prime is 1222040227. The reversal of 1222040222 is 2220402221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222040222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222040227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 809618 + ... + 811125.

It is an arithmetic number, because the mean of its divisors is an integer number (127633590).

Almost surely, 2^1222040222 is an apocalyptic number.

1222040222 is a deficient number, since it is larger than the sum of its proper divisors (820097218).

1222040222 is a wasteful number, since it uses less digits than its factorization.

1222040222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620787.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1222040222 is about 34957.6918860499. The cubic root of 1222040222 is about 1069.1250371859.

Adding to 1222040222 its reverse (2220402221), we get a palindrome (3442442443).

The spelling of 1222040222 in words is "one billion, two hundred twenty-two million, forty thousand, two hundred twenty-two".