1222422304 has 48 divisors (see below), whose sum is σ = 2537045280. Its totient is φ = 578188800.

The previous prime is 1222422301. The next prime is 1222422307. The reversal of 1222422304 is 4032242221.

It is an interprime number because it is at equal distance from previous prime (1222422301) and next prime (1222422307).

It is not an unprimeable number, because it can be changed into a prime (1222422301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638052 + ... + 639964.

It is an arithmetic number, because the mean of its divisors is an integer number (52855110).

Almost surely, 2^1222422304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222422304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268522640).

1222422304 is an abundant number, since it is smaller than the sum of its proper divisors (1314622976).

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

1222422304 is a wasteful number, since it uses less digits than its factorization.

1222422304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1222422304 is about 34963.1563792516. The cubic root of 1222422304 is about 1069.2364494672.

Adding to 1222422304 its reverse (4032242221), we get a palindrome (5254664525).

The spelling of 1222422304 in words is "one billion, two hundred twenty-two million, four hundred twenty-two thousand, three hundred four".