2212221412 has 12 divisors (see below), whose sum is σ = 3872009596. Its totient is φ = 1105932960.

The previous prime is 2212221371. The next prime is 2212221421. The reversal of 2212221412 is 2141222122.

It can be written as a sum of positive squares in 2 ways, for example, as 1346449636 + 865771776 = 36694^2 + 29424^2 .

It is a super-2 number, since 2×2212221412² = 9787847151422547488, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2212221412.

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 3 ways as a sum of consecutive naturals, for example, 14139 + ... + 68002.

Almost surely, 2^2212221412 is an apocalyptic number.

It is an amenable number.

2212221412 is a deficient number, since it is larger than the sum of its proper divisors (1659788184).

2212221412 is a wasteful number, since it uses less digits than its factorization.

2212221412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88878 (or 88876 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 2212221412 is about 47034.2578553122. The cubic root of 2212221412 is about 1302.9953439826.

Adding to 2212221412 its reverse (2141222122), we get a palindrome (4353443534).

It can be divided in two parts, 22122 and 21412, that added together give a palindrome (43534).

The spelling of 2212221412 in words is "two billion, two hundred twelve million, two hundred twenty-one thousand, four hundred twelve".