2022547489 has 2 divisors, whose sum is σ = 2022547490. Its totient is φ = 2022547488.

The previous prime is 2022547487. The next prime is 2022547547. The reversal of 2022547489 is 9847452202.

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., 1969140625 + 53406864 = 44375^2 + 7308^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022547489 - 2¹ = 2022547487 is a prime.

Together with 2022547487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2022547487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011273744 + 1011273745.

It is an arithmetic number, because the mean of its divisors is an integer number (1011273745).

Almost surely, 2^2022547489 is an apocalyptic number.

It is an amenable number.

2022547489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022547489 is an equidigital number, since it uses as much as digits as its factorization.

2022547489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2022547489 is about 44972.7416220092. The cubic root of 2022547489 is about 1264.6380439951.

The spelling of 2022547489 in words is "two billion, twenty-two million, five hundred forty-seven thousand, four hundred eighty-nine".