2242644889 has 2 divisors, whose sum is σ = 2242644890. Its totient is φ = 2242644888.

The previous prime is 2242644881. The next prime is 2242644953. The reversal of 2242644889 is 9884462422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1871427600 + 371217289 = 43260^2 + 19267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242644889 - 2³ = 2242644881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2242644881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121322444 + 1121322445.

It is an arithmetic number, because the mean of its divisors is an integer number (1121322445).

Almost surely, 2^2242644889 is an apocalyptic number.

It is an amenable number.

2242644889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242644889 is an equidigital number, since it uses as much as digits as its factorization.

2242644889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 49.

The square root of 2242644889 is about 47356.5717614778. The cubic root of 2242644889 is about 1308.9412981465.

The spelling of 2242644889 in words is "two billion, two hundred forty-two million, six hundred forty-four thousand, eight hundred eighty-nine".