1222240422 has 32 divisors (see below), whose sum is σ = 2696732640. Its totient is φ = 366900480.

The previous prime is 1222240421. The next prime is 1222240423. The reversal of 1222240422 is 2240422221.

It is an interprime number because it is at equal distance from previous prime (1222240421) and next prime (1222240423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222240421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187897 + ... + 194292.

It is an arithmetic number, because the mean of its divisors is an integer number (84272895).

Almost surely, 2^1222240422 is an apocalyptic number.

1222240422 is an abundant number, since it is smaller than the sum of its proper divisors (1474492218).

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

1222240422 is a wasteful number, since it uses less digits than its factorization.

1222240422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382248.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1222240422 is about 34960.5552301447. Note that the first 3 decimals coincide. The cubic root of 1222240422 is about 1069.1834169188.

Adding to 1222240422 its reverse (2240422221), we get a palindrome (3462662643).

The spelling of 1222240422 in words is "one billion, two hundred twenty-two million, two hundred forty thousand, four hundred twenty-two".