222421403021243 has 16 divisors (see below), whose sum is σ = 234481718016000. Its totient is φ = 210396609495072.

The previous prime is 222421403021189. The next prime is 222421403021309. The reversal of 222421403021243 is 342120304124222.

It is a cyclic number.

It is not a de Polignac number, because 222421403021243 - 2²⁶ = 222421335912379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222421403021843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60401273 + ... + 63977781.

It is an arithmetic number, because the mean of its divisors is an integer number (14655107376000).

Almost surely, 2^{222421403021243} is an apocalyptic number.

222421403021243 is a deficient number, since it is larger than the sum of its proper divisors (12060314994757).

222421403021243 is a wasteful number, since it uses less digits than its factorization.

222421403021243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581474.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 222421403021243 its reverse (342120304124222), we get a palindrome (564541707145465).

The spelling of 222421403021243 in words is "two hundred twenty-two trillion, four hundred twenty-one billion, four hundred three million, twenty-one thousand, two hundred forty-three".