22183939 has 2 divisors, whose sum is σ = 22183940. Its totient is φ = 22183938.

The previous prime is 22183883. The next prime is 22183949. The reversal of 22183939 is 93938122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22183939 - 2¹⁷ = 22052867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22183898 and 22183907.

It is not a weakly prime, because it can be changed into another prime (22183949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11091969 + 11091970.

It is an arithmetic number, because the mean of its divisors is an integer number (11091970).

Almost surely, 2^22183939 is an apocalyptic number.

22183939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22183939 is an equidigital number, since it uses as much as digits as its factorization.

22183939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 22183939 is about 4709.9829086739. The cubic root of 22183939 is about 280.9826823672.

The spelling of 22183939 in words is "twenty-two million, one hundred eighty-three thousand, nine hundred thirty-nine".