2212212443 has 16 divisors (see below), whose sum is σ = 2610812160. Its totient is φ = 1835066016.

The previous prime is 2212212437. The next prime is 2212212451. The reversal of 2212212443 is 3442122122.

It is not a de Polignac number, because 2212212443 - 2¹² = 2212208347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212212433) 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, 905 + ... + 66522.

It is an arithmetic number, because the mean of its divisors is an integer number (163175760).

Almost surely, 2^2212212443 is an apocalyptic number.

2212212443 is a deficient number, since it is larger than the sum of its proper divisors (398599717).

2212212443 is a wasteful number, since it uses less digits than its factorization.

2212212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67586.

The product of its digits is 1536, while the sum is 23.

The square root of 2212212443 is about 47034.1625098183. The cubic root of 2212212443 is about 1302.9935830707.

Adding to 2212212443 its reverse (3442122122), we get a palindrome (5654334565).

The spelling of 2212212443 in words is "two billion, two hundred twelve million, two hundred twelve thousand, four hundred forty-three".