22288001 has 2 divisors, whose sum is σ = 22288002. Its totient is φ = 22288000.

The previous prime is 22287983. The next prime is 22288009. The reversal of 22288001 is 10088222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18696976 + 3591025 = 4324^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 22288001 - 2¹⁴ = 22271617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22288009) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11144000 + 11144001.

It is an arithmetic number, because the mean of its divisors is an integer number (11144001).

Almost surely, 2^22288001 is an apocalyptic number.

It is an amenable number.

22288001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22288001 is an equidigital number, since it uses as much as digits as its factorization.

22288001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 22288001 is about 4721.0169455320. The cubic root of 22288001 is about 281.4213483604.

The spelling of 22288001 in words is "twenty-two million, two hundred eighty-eight thousand, one".