22510349 has 2 divisors, whose sum is σ = 22510350. Its totient is φ = 22510348.

The previous prime is 22510331. The next prime is 22510357. The reversal of 22510349 is 94301522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18550249 + 3960100 = 4307^2 + 1990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22510349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22510379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11255174 + 11255175.

It is an arithmetic number, because the mean of its divisors is an integer number (11255175).

Almost surely, 2^22510349 is an apocalyptic number.

It is an amenable number.

22510349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22510349 is an equidigital number, since it uses as much as digits as its factorization.

22510349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22510349 is about 4744.5072452258. The cubic root of 22510349 is about 282.3540855048.

The spelling of 22510349 in words is "twenty-two million, five hundred ten thousand, three hundred forty-nine".