22298791 has 2 divisors, whose sum is σ = 22298792. Its totient is φ = 22298790.

The previous prime is 22298789. The next prime is 22298807. The reversal of 22298791 is 19789222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22298791 - 2¹ = 22298789 is a prime.

Together with 22298789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22298701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11149395 + 11149396.

It is an arithmetic number, because the mean of its divisors is an integer number (11149396).

Almost surely, 2^22298791 is an apocalyptic number.

22298791 is a deficient number, since it is larger than the sum of its proper divisors (1).

22298791 is an equidigital number, since it uses as much as digits as its factorization.

22298791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 22298791 is about 4722.1595695190. The cubic root of 22298791 is about 281.4667546528.

The spelling of 22298791 in words is "twenty-two million, two hundred ninety-eight thousand, seven hundred ninety-one".