1022303489 has 2 divisors, whose sum is σ = 1022303490. Its totient is φ = 1022303488.

The previous prime is 1022303419. The next prime is 1022303509. The reversal of 1022303489 is 9843032201.

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., 897601600 + 124701889 = 29960^2 + 11167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022303489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022303419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511151744 + 511151745.

It is an arithmetic number, because the mean of its divisors is an integer number (511151745).

Almost surely, 2^1022303489 is an apocalyptic number.

It is an amenable number.

1022303489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022303489 is an equidigital number, since it uses as much as digits as its factorization.

1022303489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1022303489 is about 31973.4810272513. The cubic root of 1022303489 is about 1007.3798994406.

The spelling of 1022303489 in words is "one billion, twenty-two million, three hundred three thousand, four hundred eighty-nine".