22242329 has 2 divisors, whose sum is σ = 22242330. Its totient is φ = 22242328.

The previous prime is 22242323. The next prime is 22242343. The reversal of 22242329 is 92324222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 1630729 = 4540^2 + 1277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22242329 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22242298 and 22242307.

It is not a weakly prime, because it can be changed into another prime (22242323) 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, 11121164 + 11121165.

It is an arithmetic number, because the mean of its divisors is an integer number (11121165).

Almost surely, 2^22242329 is an apocalyptic number.

It is an amenable number.

22242329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22242329 is an equidigital number, since it uses as much as digits as its factorization.

22242329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 22242329 is about 4716.1773715585. The cubic root of 22242329 is about 281.2289897721.

The spelling of 22242329 in words is "twenty-two million, two hundred forty-two thousand, three hundred twenty-nine".