2112213222 has 48 divisors (see below), whose sum is σ = 5303930112. Its totient is φ = 594987120.

The previous prime is 2112213203. The next prime is 2112213247. The reversal of 2112213222 is 2223122112.

It is a super-2 number, since 2×2112213222² = 8922889390383242568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 2112213195 and 2112213204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109108 + ... + 126999.

It is an arithmetic number, because the mean of its divisors is an integer number (110498544).

Almost surely, 2^2112213222 is an apocalyptic number.

2112213222 is an abundant number, since it is smaller than the sum of its proper divisors (3191716890).

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

2112213222 is a wasteful number, since it uses less digits than its factorization.

2112213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236193 (or 236190 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2112213222 is about 45958.8209378787. The cubic root of 2112213222 is about 1283.0569071164.

Adding to 2112213222 its reverse (2223122112), we get a palindrome (4335335334).

The spelling of 2112213222 in words is "two billion, one hundred twelve million, two hundred thirteen thousand, two hundred twenty-two".