1222444422 has 24 divisors (see below), whose sum is σ = 2684915064. Its totient is φ = 401899104.

The previous prime is 1222444409. The next prime is 1222444427. The reversal of 1222444422 is 2244442221.

1222444422 is a `hidden beast` number, since 12 + 224 + 4 + 4 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222444427) by changing a digit.

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, 463848 + ... + 466475.

It is an arithmetic number, because the mean of its divisors is an integer number (111871461).

Almost surely, 2^1222444422 is an apocalyptic number.

1222444422 is an abundant number, since it is smaller than the sum of its proper divisors (1462470642).

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

1222444422 is a wasteful number, since it uses less digits than its factorization.

1222444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930404 (or 930401 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 1222444422 is about 34963.4726822151. The cubic root of 1222444422 is about 1069.2428982013.

Adding to 1222444422 its reverse (2244442221), we get a palindrome (3466886643).

The spelling of 1222444422 in words is "one billion, two hundred twenty-two million, four hundred forty-four thousand, four hundred twenty-two".