1452022321 has 2 divisors, whose sum is σ = 1452022322. Its totient is φ = 1452022320.

The previous prime is 1452022307. The next prime is 1452022331. The reversal of 1452022321 is 1232202541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1442480400 + 9541921 = 37980^2 + 3089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452022321 - 2⁵ = 1452022289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1452022292 and 1452022301.

It is not a weakly prime, because it can be changed into another prime (1452022331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726011160 + 726011161.

It is an arithmetic number, because the mean of its divisors is an integer number (726011161).

Almost surely, 2^1452022321 is an apocalyptic number.

It is an amenable number.

1452022321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452022321 is an equidigital number, since it uses as much as digits as its factorization.

1452022321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1452022321 is about 38105.4106525569. The cubic root of 1452022321 is about 1132.3771507038.

Adding to 1452022321 its reverse (1232202541), we get a palindrome (2684224862).

The spelling of 1452022321 in words is "one billion, four hundred fifty-two million, twenty-two thousand, three hundred twenty-one".