1000222012322 has 16 divisors (see below), whose sum is σ = 1671458536440. Its totient is φ = 445722275712.

The previous prime is 1000222012319. The next prime is 1000222012369. The reversal of 1000222012322 is 2232102220001.

It is a Cunningham number, because it is equal to 1000111²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 871965631681 + 128256380641 = 933791^2 + 358129^2 .

It is a super-2 number, since 2×1000222012322² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000222012322.

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 in 7 ways as a sum of consecutive naturals, for example, 663276443 + ... + 663277950.

Almost surely, 2^{1000222012322} is an apocalyptic number.

1000222012322 is a deficient number, since it is larger than the sum of its proper divisors (671236524118).

1000222012322 is a wasteful number, since it uses less digits than its factorization.

1000222012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326554437.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1000222012322 its reverse (2232102220001), we get a palindrome (3232324232323).

The spelling of 1000222012322 in words is "one trillion, two hundred twenty-two million, twelve thousand, three hundred twenty-two".