22244071 has 2 divisors, whose sum is σ = 22244072. Its totient is φ = 22244070.

The previous prime is 22244069. The next prime is 22244093. The reversal of 22244071 is 17044222.

It is a happy number.

It is an a-pointer prime, because the next prime (22244093) can be obtained adding 22244071 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22244071 - 2¹ = 22244069 is a prime.

Together with 22244069, it forms a pair of twin primes.

It is equal to p_1403581 and since 22244071 and 1403581 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22244011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122035 + 11122036.

It is an arithmetic number, because the mean of its divisors is an integer number (11122036).

Almost surely, 2^22244071 is an apocalyptic number.

22244071 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244071 is an equidigital number, since it uses as much as digits as its factorization.

22244071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22244071 is about 4716.3620514121. The cubic root of 22244071 is about 281.2363314510.

Adding to 22244071 its reverse (17044222), we get a palindrome (39288293).

The spelling of 22244071 in words is "twenty-two million, two hundred forty-four thousand, seventy-one".