1222544322 has 48 divisors (see below), whose sum is σ = 2840909760. Its totient is φ = 378776736.

The previous prime is 1222544293. The next prime is 1222544353. The reversal of 1222544322 is 2234452221.

1222544322 is a `hidden beast` number, since 1 + 2 + 225 + 4 + 432 + 2 = 666.

It is a super-2 number, since 2×1222544322² = 2989229238508879368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15598 + ... + 51849.

It is an arithmetic number, because the mean of its divisors is an integer number (59185620).

Almost surely, 2^1222544322 is an apocalyptic number.

1222544322 is an abundant number, since it is smaller than the sum of its proper divisors (1618365438).

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

1222544322 is a wasteful number, since it uses less digits than its factorization.

1222544322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67527 (or 67524 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 1222544322 is about 34964.9012868619. The cubic root of 1222544322 is about 1069.2720241214.

Adding to 1222544322 its reverse (2234452221), we get a palindrome (3456996543).

The spelling of 1222544322 in words is "one billion, two hundred twenty-two million, five hundred forty-four thousand, three hundred twenty-two".