1222323042240 has 84 divisors (see below), whose sum is σ = 4204281973944. Its totient is φ = 325952810496.

The previous prime is 1222323042221. The next prime is 1222323042251. The reversal of 1222323042240 is 422403232221.

1222323042240 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 3 + 230 + 422 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212205982 + ... + 212211741.

Almost surely, 2^{1222323042240} is an apocalyptic number.

1222323042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222323042240 is an abundant number, since it is smaller than the sum of its proper divisors (2981958931704).

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

1222323042240 is a wasteful number, since it uses less digits than its factorization.

1222323042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424417746 (or 424417733 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1222323042240 its reverse (422403232221), we get a palindrome (1644726274461).

The spelling of 1222323042240 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-three million, forty-two thousand, two hundred forty".