22183331 has 2 divisors, whose sum is σ = 22183332. Its totient is φ = 22183330.

The previous prime is 22183297. The next prime is 22183333. The reversal of 22183331 is 13338122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22183331 is a prime.

It is a super-2 number, since 2×22183331² = 984200348511122, which contains 22 as substring.

Together with 22183333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22183297 and 22183306.

It is not a weakly prime, because it can be changed into another prime (22183333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11091665 + 11091666.

It is an arithmetic number, because the mean of its divisors is an integer number (11091666).

Almost surely, 2^22183331 is an apocalyptic number.

22183331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22183331 is an equidigital number, since it uses as much as digits as its factorization.

22183331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 22183331 is about 4709.9183644730. The cubic root of 22183331 is about 280.9801153594.

The spelling of 22183331 in words is "twenty-two million, one hundred eighty-three thousand, three hundred thirty-one".