1220342104222 has 4 divisors (see below), whose sum is σ = 1830513156336. Its totient is φ = 610171052110.

The previous prime is 1220342104159. The next prime is 1220342104297. The reversal of 1220342104222 is 2224012430221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305085526054 + ... + 305085526057.

It is an arithmetic number, because the mean of its divisors is an integer number (457628289084).

Almost surely, 2^{1220342104222} is an apocalyptic number.

1220342104222 is a deficient number, since it is larger than the sum of its proper divisors (610171052114).

1220342104222 is an equidigital number, since it uses as much as digits as its factorization.

1220342104222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610171052113.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1220342104222 its reverse (2224012430221), we get a palindrome (3444354534443).

The spelling of 1220342104222 in words is "one trillion, two hundred twenty billion, three hundred forty-two million, one hundred four thousand, two hundred twenty-two".