1222812332 has 12 divisors (see below), whose sum is σ = 2445624720. Its totient is φ = 524062416.

The previous prime is 1222812299. The next prime is 1222812359. The reversal of 1222812332 is 2332182221.

1222812332 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21835907 + ... + 21835962.

It is an arithmetic number, because the mean of its divisors is an integer number (203802060).

Almost surely, 2^1222812332 is an apocalyptic number.

It is an amenable number.

1222812332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1222812332 is a wasteful number, since it uses less digits than its factorization.

1222812332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43671880 (or 43671878 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1222812332 is about 34968.7336344913. The cubic root of 1222812332 is about 1069.3501548011.

Adding to 1222812332 its reverse (2332182221), we get a palindrome (3554994553).

The spelling of 1222812332 in words is "one billion, two hundred twenty-two million, eight hundred twelve thousand, three hundred thirty-two".