1222502440143 has 8 divisors (see below), whose sum is σ = 1630009450368. Its totient is φ = 814998528344.

The previous prime is 1222502440141. The next prime is 1222502440147. The reversal of 1222502440143 is 3410442052221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222502440143 - 2¹ = 1222502440141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222502440143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222502440141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400846 + ... + 1614212.

It is an arithmetic number, because the mean of its divisors is an integer number (203751181296).

Almost surely, 2^{1222502440143} is an apocalyptic number.

1222502440143 is a deficient number, since it is larger than the sum of its proper divisors (407507010225).

1222502440143 is a wasteful number, since it uses less digits than its factorization.

1222502440143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549213.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1222502440143 its reverse (3410442052221), we get a palindrome (4632944492364).

The spelling of 1222502440143 in words is "one trillion, two hundred twenty-two billion, five hundred two million, four hundred forty thousand, one hundred forty-three".