22840109291 has 2 divisors, whose sum is σ = 22840109292. Its totient is φ = 22840109290.

The previous prime is 22840109273. The next prime is 22840109309. The reversal of 22840109291 is 19290104822.

It is a balanced prime because it is at equal distance from previous prime (22840109273) and next prime (22840109309).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22840109291 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22840109231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11420054645 + 11420054646.

It is an arithmetic number, because the mean of its divisors is an integer number (11420054646).

Almost surely, 2^22840109291 is an apocalyptic number.

22840109291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22840109291 is an equidigital number, since it uses as much as digits as its factorization.

22840109291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 22840109291 in words is "twenty-two billion, eight hundred forty million, one hundred nine thousand, two hundred ninety-one".