22212434443 has 8 divisors (see below), whose sum is σ = 23387949200. Its totient is φ = 21037563648.

The previous prime is 22212434429. The next prime is 22212434471. The reversal of 22212434443 is 34443421222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22212434443 - 2¹⁷ = 22212303371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212434423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89358 + ... + 228931.

It is an arithmetic number, because the mean of its divisors is an integer number (2923493650).

Almost surely, 2^22212434443 is an apocalyptic number.

22212434443 is a deficient number, since it is larger than the sum of its proper divisors (1175514757).

22212434443 is a wasteful number, since it uses less digits than its factorization.

22212434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321981.

The product of its digits is 36864, while the sum is 31.

Adding to 22212434443 its reverse (34443421222), we get a palindrome (56655855665).

The spelling of 22212434443 in words is "twenty-two billion, two hundred twelve million, four hundred thirty-four thousand, four hundred forty-three".