2212225422 has 128 divisors (see below), whose sum is σ = 5211537408. Its totient is φ = 619344000.

The previous prime is 2212225409. The next prime is 2212225439. The reversal of 2212225422 is 2245222122.

It is a happy number.

It is a super-4 number, since 4×2212225422⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212225392 and 2212225401.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 7205793 + ... + 7206099.

It is an arithmetic number, because the mean of its divisors is an integer number (40715136).

Almost surely, 2^2212225422 is an apocalyptic number.

2212225422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212225422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605768704).

2212225422 is an abundant number, since it is smaller than the sum of its proper divisors (2999311986).

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

2212225422 is a wasteful number, since it uses less digits than its factorization.

2212225422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its digits is 2560, while the sum is 24.

The square root of 2212225422 is about 47034.3004837959. The cubic root of 2212225422 is about 1302.9961312769.

Adding to 2212225422 its reverse (2245222122), we get a palindrome (4457447544).

The spelling of 2212225422 in words is "two billion, two hundred twelve million, two hundred twenty-five thousand, four hundred twenty-two".