1022234321 has 4 divisors (see below), whose sum is σ = 1022299044. Its totient is φ = 1022169600.

The previous prime is 1022234201. The next prime is 1022234329. The reversal of 1022234321 is 1234322201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 664608400 + 357625921 = 25780^2 + 18911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022234321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022234293 and 1022234302.

It is not an unprimeable number, because it can be changed into a prime (1022234329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8681 + ... + 46041.

It is an arithmetic number, because the mean of its divisors is an integer number (255574761).

Almost surely, 2^1022234321 is an apocalyptic number.

It is an amenable number.

1022234321 is a deficient number, since it is larger than the sum of its proper divisors (64723).

1022234321 is an equidigital number, since it uses as much as digits as its factorization.

1022234321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64722.

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

The square root of 1022234321 is about 31972.3993625752. The cubic root of 1022234321 is about 1007.3571794998.

Adding to 1022234321 its reverse (1234322201), we get a palindrome (2256556522).

The spelling of 1022234321 in words is "one billion, twenty-two million, two hundred thirty-four thousand, three hundred twenty-one".