22133320691 has 2 divisors, whose sum is σ = 22133320692. Its totient is φ = 22133320690.

The previous prime is 22133320687. The next prime is 22133320763. The reversal of 22133320691 is 19602333122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22133320691 - 2² = 22133320687 is a prime.

It is not a weakly prime, because it can be changed into another prime (22133320661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066660345 + 11066660346.

It is an arithmetic number, because the mean of its divisors is an integer number (11066660346).

Almost surely, 2^22133320691 is an apocalyptic number.

22133320691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22133320691 is an equidigital number, since it uses as much as digits as its factorization.

22133320691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 22133320691 in words is "twenty-two billion, one hundred thirty-three million, three hundred twenty thousand, six hundred ninety-one".