2221220110322 has 4 divisors (see below), whose sum is σ = 3331830165486. Its totient is φ = 1110610055160.

The previous prime is 2221220110301. The next prime is 2221220110339. The reversal of 2221220110322 is 2230110221222.

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

It can be written as a sum of positive squares in only one way, i.e., 1523943339361 + 697276770961 = 1234481^2 + 835031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221220110294 and 2221220110303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555305027579 + ... + 555305027582.

Almost surely, 2^{2221220110322} is an apocalyptic number.

2221220110322 is a deficient number, since it is larger than the sum of its proper divisors (1110610055164).

2221220110322 is a wasteful number, since it uses less digits than its factorization.

2221220110322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110610055163.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2221220110322 its reverse (2230110221222), we get a palindrome (4451330331544).

The spelling of 2221220110322 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, one hundred ten thousand, three hundred twenty-two".