22067243939 has 4 divisors (see below), whose sum is σ = 23764724256. Its totient is φ = 20369763624.

The previous prime is 22067243899. The next prime is 22067243971. The reversal of 22067243939 is 93934276022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93934276022 = 2 ⋅46967138011.

It is a cyclic number.

It is not a de Polignac number, because 22067243939 - 2²⁰ = 22066195363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22067243893 and 22067243902.

It is not an unprimeable number, because it can be changed into a prime (22067246939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848740139 + ... + 848740164.

It is an arithmetic number, because the mean of its divisors is an integer number (5941181064).

Almost surely, 2^22067243939 is an apocalyptic number.

22067243939 is a deficient number, since it is larger than the sum of its proper divisors (1697480317).

22067243939 is a wasteful number, since it uses less digits than its factorization.

22067243939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697480316.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 22067243939 in words is "twenty-two billion, sixty-seven million, two hundred forty-three thousand, nine hundred thirty-nine".