1002221023322 has 8 divisors (see below), whose sum is σ = 1523925117876. Its totient is φ = 494245984032.

The previous prime is 1002221023319. The next prime is 1002221023343. The reversal of 1002221023322 is 2233201222001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 999582043681 + 2638979641 = 999791^2 + 51371^2 .

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 = 1002221023294 and 1002221023303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3432263633 + ... + 3432263924.

Almost surely, 2^{1002221023322} is an apocalyptic number.

1002221023322 is a deficient number, since it is larger than the sum of its proper divisors (521704094554).

1002221023322 is an equidigital number, since it uses as much as digits as its factorization.

1002221023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864527632.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1002221023322 its reverse (2233201222001), we get a palindrome (3235422245323).

The spelling of 1002221023322 in words is "one trillion, two billion, two hundred twenty-one million, twenty-three thousand, three hundred twenty-two".