22430489 has 2 divisors, whose sum is σ = 22430490. Its totient is φ = 22430488.

The previous prime is 22430437. The next prime is 22430503. The reversal of 22430489 is 98403422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 265225 = 4708^2 + 515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22430489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22430789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215244 + 11215245.

It is an arithmetic number, because the mean of its divisors is an integer number (11215245).

Almost surely, 2^22430489 is an apocalyptic number.

It is an amenable number.

22430489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22430489 is an equidigital number, since it uses as much as digits as its factorization.

22430489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22430489 is about 4736.0837196992. The cubic root of 22430489 is about 282.0197871869.

The spelling of 22430489 in words is "twenty-two million, four hundred thirty thousand, four hundred eighty-nine".