22210289 has 2 divisors, whose sum is σ = 22210290. Its totient is φ = 22210288.

The previous prime is 22210267. The next prime is 22210333. The reversal of 22210289 is 98201222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19936225 + 2274064 = 4465^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210289 - 2⁸ = 22210033 is a prime.

It is not a weakly prime, because it can be changed into another prime (22200289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105144 + 11105145.

It is an arithmetic number, because the mean of its divisors is an integer number (11105145).

Almost surely, 2^22210289 is an apocalyptic number.

It is an amenable number.

22210289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210289 is an equidigital number, since it uses as much as digits as its factorization.

22210289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22210289 is about 4712.7793285916. The cubic root of 22210289 is about 281.0938884095.

The spelling of 22210289 in words is "twenty-two million, two hundred ten thousand, two hundred eighty-nine".