22438360349 has 4 divisors (see below), whose sum is σ = 22438756800. Its totient is φ = 22437963900.

The previous prime is 22438360339. The next prime is 22438360361. The reversal of 22438360349 is 94306383422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94306383422 = 2 ⋅47153191711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22438360349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22438360339) 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, 95627 + ... + 232424.

It is an arithmetic number, because the mean of its divisors is an integer number (5609689200).

Almost surely, 2^22438360349 is an apocalyptic number.

It is an amenable number.

22438360349 is a deficient number, since it is larger than the sum of its proper divisors (396451).

22438360349 is an equidigital number, since it uses as much as digits as its factorization.

22438360349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396450.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 22438360349 in words is "twenty-two billion, four hundred thirty-eight million, three hundred sixty thousand, three hundred forty-nine".