22212240520443 has 16 divisors (see below), whose sum is σ = 29763731088000. Its totient is φ = 14734631270016.

The previous prime is 22212240520429. The next prime is 22212240520489. The reversal of 22212240520443 is 34402504221222.

It is not a de Polignac number, because 22212240520443 - 2¹⁷ = 22212240389371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212240520423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21510105 + ... + 22519082.

It is an arithmetic number, because the mean of its divisors is an integer number (1860233193000).

Almost surely, 2^{22212240520443} is an apocalyptic number.

22212240520443 is a deficient number, since it is larger than the sum of its proper divisors (7551490567557).

22212240520443 is a wasteful number, since it uses less digits than its factorization.

22212240520443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44030026.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 22212240520443 its reverse (34402504221222), we get a palindrome (56614744741665).

The spelling of 22212240520443 in words is "twenty-two trillion, two hundred twelve billion, two hundred forty million, five hundred twenty thousand, four hundred forty-three".