22213363691 has 2 divisors, whose sum is σ = 22213363692. Its totient is φ = 22213363690.

The previous prime is 22213363681. The next prime is 22213363693. The reversal of 22213363691 is 19636331222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22213363691 - 2²² = 22209169387 is a prime.

Together with 22213363693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22213363693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106681845 + 11106681846.

It is an arithmetic number, because the mean of its divisors is an integer number (11106681846).

Almost surely, 2^22213363691 is an apocalyptic number.

22213363691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213363691 is an equidigital number, since it uses as much as digits as its factorization.

22213363691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The spelling of 22213363691 in words is "twenty-two billion, two hundred thirteen million, three hundred sixty-three thousand, six hundred ninety-one".