22103071 has 2 divisors, whose sum is σ = 22103072. Its totient is φ = 22103070.

The previous prime is 22103063. The next prime is 22103087. The reversal of 22103071 is 17030122.

It is a happy number.

It is an a-pointer prime, because the next prime (22103087) can be obtained adding 22103071 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22103071 - 2³ = 22103063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22103021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051535 + 11051536.

It is an arithmetic number, because the mean of its divisors is an integer number (11051536).

Almost surely, 2^22103071 is an apocalyptic number.

22103071 is a deficient number, since it is larger than the sum of its proper divisors (1).

22103071 is an equidigital number, since it uses as much as digits as its factorization.

22103071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 22103071 is about 4701.3903262758. The cubic root of 22103071 is about 280.6408408510.

Adding to 22103071 its reverse (17030122), we get a palindrome (39133193).

The spelling of 22103071 in words is "twenty-two million, one hundred three thousand, seventy-one".