1222544324 has 24 divisors (see below), whose sum is σ = 2270589048. Its totient is φ = 573972480.

The previous prime is 1222544293. The next prime is 1222544353. The reversal of 1222544324 is 4234452221.

It can be written as a sum of positive squares in 4 ways, for example, as 300328900 + 922215424 = 17330^2 + 30368^2 .

It is a super-2 number, since 2×1222544324² = 2989229248289233952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8684 + ... + 50204.

It is an arithmetic number, because the mean of its divisors is an integer number (94607877).

Almost surely, 2^1222544324 is an apocalyptic number.

It is an amenable number.

1222544324 is a deficient number, since it is larger than the sum of its proper divisors (1048044724).

1222544324 is a wasteful number, since it uses less digits than its factorization.

1222544324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41975 (or 41973 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 1222544324 is about 34964.9013154621. The cubic root of 1222544324 is about 1069.2720247045.

Adding to 1222544324 its reverse (4234452221), we get a palindrome (5456996545).

The spelling of 1222544324 in words is "one billion, two hundred twenty-two million, five hundred forty-four thousand, three hundred twenty-four".