22298443 has 2 divisors, whose sum is σ = 22298444. Its totient is φ = 22298442.

The previous prime is 22298429. The next prime is 22298449. The reversal of 22298443 is 34489222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22298443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22298399 and 22298408.

It is not a weakly prime, because it can be changed into another prime (22298449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11149221 + 11149222.

It is an arithmetic number, because the mean of its divisors is an integer number (11149222).

Almost surely, 2^22298443 is an apocalyptic number.

22298443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22298443 is an equidigital number, since it uses as much as digits as its factorization.

22298443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 22298443 is about 4722.1227218275. The cubic root of 22298443 is about 281.4652904338.

The spelling of 22298443 in words is "twenty-two million, two hundred ninety-eight thousand, four hundred forty-three".