22040071 has 2 divisors, whose sum is σ = 22040072. Its totient is φ = 22040070.

The previous prime is 22040023. The next prime is 22040107. The reversal of 22040071 is 17004022.

Together with next prime (22040107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22040071 - 2²¹ = 19942919 is a prime.

It is a super-3 number, since 3×22040071³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22040471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020035 + 11020036.

It is an arithmetic number, because the mean of its divisors is an integer number (11020036).

Almost surely, 2^22040071 is an apocalyptic number.

22040071 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040071 is an equidigital number, since it uses as much as digits as its factorization.

22040071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 22040071 is about 4694.6853994703. The cubic root of 22040071 is about 280.3739518797.

Adding to 22040071 its reverse (17004022), we get a palindrome (39044093).

The spelling of 22040071 in words is "twenty-two million, forty thousand, seventy-one".