1220321230222 has 8 divisors (see below), whose sum is σ = 1830573764496. Its totient is φ = 610129975392.

The previous prime is 1220321230207. The next prime is 1220321230241. The reversal of 1220321230222 is 2220321230221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220321230193 and 1220321230202.

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 3 ways as a sum of consecutive naturals, for example, 15270043 + ... + 15349750.

It is an arithmetic number, because the mean of its divisors is an integer number (228821720562).

Almost surely, 2^{1220321230222} is an apocalyptic number.

1220321230222 is a deficient number, since it is larger than the sum of its proper divisors (610252534274).

1220321230222 is a wasteful number, since it uses less digits than its factorization.

1220321230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30639722.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220321230222 its reverse (2220321230221), we get a palindrome (3440642460443).

Subtracting 1220321230222 from its reverse (2220321230221), we obtain a palindrome (999999999999).

The spelling of 1220321230222 in words is "one trillion, two hundred twenty billion, three hundred twenty-one million, two hundred thirty thousand, two hundred twenty-two".