2122468889 has 2 divisors, whose sum is σ = 2122468890. Its totient is φ = 2122468888.

The previous prime is 2122468883. The next prime is 2122468937. The reversal of 2122468889 is 9888642212.

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., 1989873664 + 132595225 = 44608^2 + 11515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122468889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122468883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061234444 + 1061234445.

It is an arithmetic number, because the mean of its divisors is an integer number (1061234445).

Almost surely, 2^2122468889 is an apocalyptic number.

It is an amenable number.

2122468889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122468889 is an equidigital number, since it uses as much as digits as its factorization.

2122468889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 50.

The square root of 2122468889 is about 46070.2603530738. The cubic root of 2122468889 is about 1285.1301455389.

The spelling of 2122468889 in words is "two billion, one hundred twenty-two million, four hundred sixty-eight thousand, eight hundred eighty-nine".