22213404343 has 4 divisors (see below), whose sum is σ = 23922127768. Its totient is φ = 20504680920.

The previous prime is 22213404319. The next prime is 22213404379. The reversal of 22213404343 is 34340431222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22213404343 is a prime.

It is a super-2 number, since 2×22213404343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213504343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854361693 + ... + 854361718.

It is an arithmetic number, because the mean of its divisors is an integer number (5980531942).

Almost surely, 2^22213404343 is an apocalyptic number.

22213404343 is a deficient number, since it is larger than the sum of its proper divisors (1708723425).

22213404343 is a wasteful number, since it uses less digits than its factorization.

22213404343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708723424.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22213404343 its reverse (34340431222), we get a palindrome (56553835565).

The spelling of 22213404343 in words is "twenty-two billion, two hundred thirteen million, four hundred four thousand, three hundred forty-three".