1452022289 has 2 divisors, whose sum is σ = 1452022290. Its totient is φ = 1452022288.

The previous prime is 1452022279. The next prime is 1452022307. The reversal of 1452022289 is 9822202541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1181090689 + 270931600 = 34367^2 + 16460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452022289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1452022279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726011144 + 726011145.

It is an arithmetic number, because the mean of its divisors is an integer number (726011145).

Almost surely, 2^1452022289 is an apocalyptic number.

It is an amenable number.

1452022289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452022289 is an equidigital number, since it uses as much as digits as its factorization.

1452022289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1452022289 is about 38105.4102326691. The cubic root of 1452022289 is about 1132.3771423852.

The spelling of 1452022289 in words is "one billion, four hundred fifty-two million, twenty-two thousand, two hundred eighty-nine".