1022320321 has 4 divisors (see below), whose sum is σ = 1115258544. Its totient is φ = 929382100.

The previous prime is 1022320303. The next prime is 1022320333. The reversal of 1022320321 is 1230232201.

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.

It is a cyclic number.

It is not a de Polignac number, because 1022320321 - 2²⁵ = 988765889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022320295 and 1022320304.

It is not an unprimeable number, because it can be changed into a prime (1022320301) 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, 46469095 + ... + 46469116.

It is an arithmetic number, because the mean of its divisors is an integer number (278814636).

Almost surely, 2^1022320321 is an apocalyptic number.

1022320321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022320321 is a deficient number, since it is larger than the sum of its proper divisors (92938223).

1022320321 is an equidigital number, since it uses as much as digits as its factorization.

1022320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92938222.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022320321 is about 31973.7442443014. The cubic root of 1022320321 is about 1007.3854281724.

Adding to 1022320321 its reverse (1230232201), we get a palindrome (2252552522).

The spelling of 1022320321 in words is "one billion, twenty-two million, three hundred twenty thousand, three hundred twenty-one".