1022213321 has 4 divisors (see below), whose sum is σ = 1022323152. Its totient is φ = 1022103492.

The previous prime is 1022213287. The next prime is 1022213323. The reversal of 1022213321 is 1233122201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1022213321 - 2²⁶ = 955104457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022213321.

It is not an unprimeable number, because it can be changed into a prime (1022213323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39515 + ... + 60048.

It is an arithmetic number, because the mean of its divisors is an integer number (255580788).

Almost surely, 2^1022213321 is an apocalyptic number.

It is an amenable number.

1022213321 is a deficient number, since it is larger than the sum of its proper divisors (109831).

1022213321 is an equidigital number, since it uses as much as digits as its factorization.

1022213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109830.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1022213321 is about 31972.0709526299. The cubic root of 1022213321 is about 1007.3502813274.

Adding to 1022213321 its reverse (1233122201), we get a palindrome (2255335522).

The spelling of 1022213321 in words is "one billion, twenty-two million, two hundred thirteen thousand, three hundred twenty-one".