1222240144032 has 72 divisors (see below), whose sum is σ = 3511577916756. Its totient is φ = 403213234176.

The previous prime is 1222240144019. The next prime is 1222240144033. The reversal of 1222240144032 is 2304410422221.

It is a happy number.

1222240144032 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 240 + 14 + 403 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1217147323536 + 5092820496 = 1103244^2 + 71364^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 1222240143987 and 1222240144005.

It is not an unprimeable number, because it can be changed into a prime (1222240144033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21847783 + ... + 21903654.

Almost surely, 2^{1222240144032} is an apocalyptic number.

1222240144032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222240144032 is an abundant number, since it is smaller than the sum of its proper divisors (2289337772724).

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

1222240144032 is a wasteful number, since it uses less digits than its factorization.

1222240144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43751550 (or 43751539 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1222240144032 its reverse (2304410422221), we get a palindrome (3526650566253).

The spelling of 1222240144032 in words is "one trillion, two hundred twenty-two billion, two hundred forty million, one hundred forty-four thousand, thirty-two".