22240042871 has 2 divisors, whose sum is σ = 22240042872. Its totient is φ = 22240042870.

The previous prime is 22240042817. The next prime is 22240042933. The reversal of 22240042871 is 17824004222.

Together with previous prime (22240042817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22240042871 - 2⁶ = 22240042807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22240012871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120021435 + 11120021436.

It is an arithmetic number, because the mean of its divisors is an integer number (11120021436).

Almost surely, 2^22240042871 is an apocalyptic number.

22240042871 is a deficient number, since it is larger than the sum of its proper divisors (1).

22240042871 is an equidigital number, since it uses as much as digits as its factorization.

22240042871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 32.

The spelling of 22240042871 in words is "twenty-two billion, two hundred forty million, forty-two thousand, eight hundred seventy-one".