1022323310221 has 4 divisors (see below), whose sum is σ = 1024951391100. Its totient is φ = 1019695229344.

The previous prime is 1022323310189. The next prime is 1022323310243. The reversal of 1022323310221 is 1220133232201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 409617920196 + 612705390025 = 640014^2 + 782755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022323310221 - 2⁵ = 1022323310189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022323310192 and 1022323310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022323010221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314039856 + ... + 1314040633.

It is an arithmetic number, because the mean of its divisors is an integer number (256237847775).

Almost surely, 2^{1022323310221} is an apocalyptic number.

It is an amenable number.

1022323310221 is a deficient number, since it is larger than the sum of its proper divisors (2628080879).

1022323310221 is an equidigital number, since it uses as much as digits as its factorization.

1022323310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628080878.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1022323310221 its reverse (1220133232201), we get a palindrome (2242456542422).

The spelling of 1022323310221 in words is "one trillion, twenty-two billion, three hundred twenty-three million, three hundred ten thousand, two hundred twenty-one".