2212144422 has 64 divisors (see below), whose sum is σ = 4640219136. Its totient is φ = 702391040.

The previous prime is 2212144421. The next prime is 2212144489. The reversal of 2212144422 is 2244412122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2212144392 and 2212144401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212144421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4993333 + ... + 4993775.

It is an arithmetic number, because the mean of its divisors is an integer number (72503424).

Almost surely, 2^2212144422 is an apocalyptic number.

2212144422 is an abundant number, since it is smaller than the sum of its proper divisors (2428074714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212144422 is a wasteful number, since it uses less digits than its factorization.

2212144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 2048, while the sum is 24.

The square root of 2212144422 is about 47033.4394021955. The cubic root of 2212144422 is about 1302.9802281395.

Adding to 2212144422 its reverse (2244412122), we get a palindrome (4456556544).

The spelling of 2212144422 in words is "two billion, two hundred twelve million, one hundred forty-four thousand, four hundred twenty-two".