22287101 has 2 divisors, whose sum is σ = 22287102. Its totient is φ = 22287100.

The previous prime is 22287059. The next prime is 22287107. The reversal of 22287101 is 10178222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18267076 + 4020025 = 4274^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 22287101 - 2²² = 18092797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22287107) 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, 11143550 + 11143551.

It is an arithmetic number, because the mean of its divisors is an integer number (11143551).

Almost surely, 2^22287101 is an apocalyptic number.

It is an amenable number.

22287101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22287101 is an equidigital number, since it uses as much as digits as its factorization.

22287101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 22287101 is about 4720.9216261234. The cubic root of 22287101 is about 281.4175603338.

The spelling of 22287101 in words is "twenty-two million, two hundred eighty-seven thousand, one hundred one".