22230300991 has 2 divisors, whose sum is σ = 22230300992. Its totient is φ = 22230300990.

The previous prime is 22230300977. The next prime is 22230301019. The reversal of 22230300991 is 19900303222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22230300991 - 2⁵ = 22230300959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22230300931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115150495 + 11115150496.

It is an arithmetic number, because the mean of its divisors is an integer number (11115150496).

Almost surely, 2^22230300991 is an apocalyptic number.

22230300991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230300991 is an equidigital number, since it uses as much as digits as its factorization.

22230300991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 22230300991 in words is "twenty-two billion, two hundred thirty million, three hundred thousand, nine hundred ninety-one".