22100005905907 has 2 divisors, whose sum is σ = 22100005905908. Its totient is φ = 22100005905906.

The previous prime is 22100005905899. The next prime is 22100005905937. The reversal of 22100005905907 is 70950950000122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22100005905907 - 2³ = 22100005905899 is a prime.

It is a super-2 number, since 2×22100005905907² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22100005905907.

It is not a weakly prime, because it can be changed into another prime (22100005905937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050002952953 + 11050002952954.

It is an arithmetic number, because the mean of its divisors is an integer number (11050002952954).

Almost surely, 2^{22100005905907} is an apocalyptic number.

22100005905907 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100005905907 is an equidigital number, since it uses as much as digits as its factorization.

22100005905907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 22100005905907 in words is "twenty-two trillion, one hundred billion, five million, nine hundred five thousand, nine hundred seven".