1222324422 has 64 divisors (see below), whose sum is σ = 2786607360. Its totient is φ = 354032000.

The previous prime is 1222324387. The next prime is 1222324447. The reversal of 1222324422 is 2244232221.

It is a junction number, because it is equal to n+sod(n) for n = 1222324392 and 1222324401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190153 + ... + 196475.

It is an arithmetic number, because the mean of its divisors is an integer number (43540740).

Almost surely, 2^1222324422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222324422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393303680).

1222324422 is an abundant number, since it is smaller than the sum of its proper divisors (1564282938).

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

1222324422 is a wasteful number, since it uses less digits than its factorization.

1222324422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469.

The product of its digits is 3072, while the sum is 24.

The square root of 1222324422 is about 34961.7565634223. The cubic root of 1222324422 is about 1069.2079100131.

Adding to 1222324422 its reverse (2244232221), we get a palindrome (3466556643).

The spelling of 1222324422 in words is "one billion, two hundred twenty-two million, three hundred twenty-four thousand, four hundred twenty-two".