22321003091 has 2 divisors, whose sum is σ = 22321003092. Its totient is φ = 22321003090.

The previous prime is 22321003087. The next prime is 22321003093. The reversal of 22321003091 is 19030012322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22321003091 - 2² = 22321003087 is a prime.

It is a super-3 number, since 3×22321003091³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 22321003093, 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 (22321003093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160501545 + 11160501546.

It is an arithmetic number, because the mean of its divisors is an integer number (11160501546).

Almost surely, 2^22321003091 is an apocalyptic number.

22321003091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321003091 is an equidigital number, since it uses as much as digits as its factorization.

22321003091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 22321003091 in words is "twenty-two billion, three hundred twenty-one million, three thousand, ninety-one".