22242749339 has 4 divisors (see below), whose sum is σ = 22251199656. Its totient is φ = 22234299024.

The previous prime is 22242749299. The next prime is 22242749351. The reversal of 22242749339 is 93394724222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93394724222 = 2 ⋅46697362111.

It is a cyclic number.

It is not a de Polignac number, because 22242749339 - 2²⁴ = 22225972123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22242749293 and 22242749302.

It is not an unprimeable number, because it can be changed into a prime (22242749359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4221209 + ... + 4226474.

It is an arithmetic number, because the mean of its divisors is an integer number (5562799914).

Almost surely, 2^22242749339 is an apocalyptic number.

22242749339 is a deficient number, since it is larger than the sum of its proper divisors (8450317).

22242749339 is an equidigital number, since it uses as much as digits as its factorization.

22242749339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450316.

The product of its digits is 1306368, while the sum is 47.

The spelling of 22242749339 in words is "twenty-two billion, two hundred forty-two million, seven hundred forty-nine thousand, three hundred thirty-nine".