22874609 has 2 divisors, whose sum is σ = 22874610. Its totient is φ = 22874608.

The previous prime is 22874569. The next prime is 22874633. The reversal of 22874609 is 90647822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 73984 = 4775^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 22874609 - 2²⁰ = 21826033 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22874699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11437304 + 11437305.

It is an arithmetic number, because the mean of its divisors is an integer number (11437305).

Almost surely, 2^22874609 is an apocalyptic number.

It is an amenable number.

22874609 is a deficient number, since it is larger than the sum of its proper divisors (1).

22874609 is an equidigital number, since it uses as much as digits as its factorization.

22874609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 22874609 is about 4782.7407414578. The cubic root of 22874609 is about 283.8689511430.

The spelling of 22874609 in words is "twenty-two million, eight hundred seventy-four thousand, six hundred nine".